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NASA probes to study how the solar wind triggers potentially dangerous ‘space weather’

SpaceX launched twin satellites for NASA Wednesday that will study how the electrically-charged solar wind interacts with Earth's magnetic field, creating constantly changing and occasionally dangerous "space weather" affecting satellites, electrical grids and other critical systems.

FAA: ‘Regional power outage’ causes last-minute scrub of NASA’s TRACERS mission

A total of 11 spacecraft will be deployed beginning about 1.5 hours after liftoff. SpaceX is aiming to launch the mission from pad 4 East at Vandenberg Space Force Base on July 23 at 11:13 a.m. PDT (2:13 p.m. EDT, 1813 UTC).

SpaceX launches 15th mission for SES following one-day scrub

The mission represents the fifth pair of Boeing-built O3b mPOWER satellites to launch into medium Earth orbit. The Falcon 9 rocket lifted off from pad 40 at Cape Canaveral Space Force Station on Tuesday, July 22, at 5:12 p.m. EDT (2112 UTC).

SpaceX launches 24 Starlink satellites into polar orbit on Falcon 9 rocket from California

The mission is part of SpaceX’s plan to bolster its internet network in Alaska and other polar regions. The Falcon 9 rocket lifted off from pad 4 East at Vandenberg Space Force Base at 8:52 p.m. PDT (11:52 p.m. EDT / 0352 UTC).

SpaceX launches first of three missions for Amazon’s Project Kuiper constellation

This is the first of three planned Falcon 9 missions Amazon booked for its internet relay satellites. Liftoff is scheduled for 2:30 a.m. EDT (0630 UTC) from pad 40 at Cape Canaveral Space Force Station.

SpaceX launches 26 Starlink satellites on Falcon 9 rocket from Vandenberg SFB

The Starlink 15-2 mission was the 30th orbital launch from Vandenberg Space Force Base in 2025. SpaceX achieved liftoff of its Falcon 9 rocket from pad 4 East at 7:05 p.m. PDT (10:05 p.m. EDT, 0205 UTC).

NASA, SpaceX target July 31 for Crew-11 launch to the ISS

The four-person crew will launch onboard Dragon Endeavour from pad 39A at NASA’s Kennedy Space Center. It will be the first time a SpaceX Crew Dragon capsule has flown for a sixth time.

SpaceX launches Israeli satellite on a Falcon 9 rocket from Cape Canaveral

SpaceX disclosed neither the payload nor the customer for this mission but hours after the launch Israel Aerospace Industries said it the Falcon 9 carried its Dror 1 communications satellite. Liftoff occurred at 1:04 a.m. EDT (0504 UTC).

Axiom Space, Oakley partner on spacesuit visor for Artemis missions

The high-end sunglasses brand is the latest non-traditional partner to join Axiom Space in designing its spacesuits for exploring the Moon as part of the Artemis Program.

Transportation Secretary Sean Duffy picked as Interim NASA Administrator

The Wednesday night announcement comes more than five weeks after the President pulled the nomination of Jared Isaacman for the position.

New fiber optic telescope 4MOST channels 'The Fantastic Four' | Space photo of the day for July 24, 2025

Marvel's new superhero movie isn't the only thing featuring some of the brightest stars.

The largest supernova catalog ever made has some news about the dark universe

A catalog of over 2,000 exploding white dwarf vampire stars, the largest ever gathered, has provided further evidence that dark energy is weakening.

2 Earth weather satellites accidentally spy on Venus

Japan's Himawari-8 and Himawari-9 satellites, designed to study weather here on Earth, have also been quietly collecting valuable data on Venus for nearly a decade, scientists recently discovered.

New Neil Armstrong Prize to honor achievements in space

Purdue University's new Neil Armstrong Space Prize, named for the school's most famous astronaut-alum, will honor achievements in "space discovery, innovation and human achievement."

See Tianzhou 9 cargo mission dock at China's Tiangong space station (video)

The Tianzhou 9 freighter arrived at China's Tiangong space station last week, packed with supplies. Watch its arrival in this video.

Scientists may have solved a chemistry mystery about Jupiter's ocean moon Europa

A long-standing mystery about the presence of hydrogen peroxide on Jupiter's icy ocean moon Europa may be closer to being solved.

Space Force's Golden Dome chief says space-based missile interceptors are possible today. 'We have proven every element of the physics'

The head of the Trump administration's Golden Dome program says the technologies needed to create such an ambitious space-based missile defense system already exist.

Interstellar invader Comet 3I/ATLAS is packed with water ice that could be older than Earth

Scientists have examined the interstellar invader 3I/ATLAS, finding evidence that it is packed with water that could be older than the solar system.

Ozzy Osbourne's journey through space, time and sci-fi: A Tribute to the 'Prince of Darkness'

A Space.com obituary for the ‘Prince of Darkness' Ozzy Osbourne.

How do scientists calculate the probability that an asteroid could hit Earth?

The 2024 YR4 asteroid may come close to Earth, but how do experts calculate this potential impact?

The Milky Way brightens the moonless summer sky this week: Here's where to look

Our galaxy will make for a particularly splendid sight on the dark nights surrounding the new moon phase on July 24.

This star escaped a supermassive black hole's violent grips — then returned for round 2

A death-defying star survived destruction by a ravenous supermassive black hole in a tidal disruption event, and came back to let the cosmic titan take another bite!

Rare sight from space: Snow dusts the dry Atacama Desert | Space photo of the day for July 23, 2025

The Atacama Desert in Chile recently received some snowfall, causing issues for the ALMA (Atacama Large Millimeter/submillimeter Array) telescope.

Sharp-eyed US-Indian satellite set to launch July 30 to monitor Earth's surface, warn of natural disasters

NISAR, a joint mission of NASA and ISRO set to launch on July 30, will be able to see shifts in the landscape smaller than a centimeter to give warning of potential natural disasters.

SpaceX launches 2 powerful internet satellites, lands rocket on ship at sea (video)

A SpaceX Falcon 9 rocket launched two of SES's O3b mPOWER communications satellites toward medium-Earth orbit today (July 22), then aced its landing on a ship at sea.

This 200-light-year-wide structure could be feeding our galaxy's center: 'No one had any idea this cloud existed'

Astronomers have discovered a 200-light-year-wide Giant Molecular Cloud dubbed the Midpoint cloud that seems to be feeding star-building material to the heart of the Milky Way.

Don't miss the crescent moon cozy up to Jupiter early on July 23

The thin crescent moon and Jupiter will be visible to the naked eye for early risers on July 23.

'They are coming here.' AI soldiers invade Earth in thrilling new 'Tron: Ares' trailer

'A malfunctioning program who wants to live. Why is that?'

Stunning twilight photo captures comet bidding farewell to Earth for 80,000 years

Miguel Claro took one last look at Comet C/2023 A3 Tsuchinshan-Atlas as it bid farewell to Earth for the next 80,000 years.

How to safely photograph the sun: As detailed by an expert

Solar expert Dr. Ryan French explains how to safely photograph the sun and all of its wondrous features!

Makenzie Lystrup stepping down as director of NASA's Goddard Space Flight Center

Makenzie Lystrup will step down as head of NASA's Goddard Space Flight Center on Aug. 1. She'll be the second NASA center director to depart in just a two-month span.

Photograph the Perseids on August 12 with over $1000 off the Sony A7R V

The Perseid meteor shower peaks on August 12 so be ready with the Sony A7R V, on sale for $3198 from Walmart.

Now is your last chance to watch the Marvel movies in order with over 40% off ahead of "Fantastic Four: First Steps"

You can save over 40% on a range of Disney Plus subscriptions, which is perfect for catching up on Marvel content ahead of Fantastic Four's release.

Nearly 300 NASA scientists sign 'Voyager Declaration' to protest Trump space science budget cuts

Nearly 300 current and former NASA employees — including astronauts, engineers and scientists — have signed the "Voyager Declaration," a formal statement raising alarm over recent actions and steep budget cuts proposed by the Trump administration.

New 'Predator: Badlands' trailer confirms an unexpected alliance with ties to the 'Alien' universe

The second Predator: Badlands trailer is full of alien beasts, gorgeous sci-fi vistas, and a Yautja hero who finds an unlikely ally in a synthetic.

SpaceX launches NASA's TRACERS mission to protect Earth from space weather (video)

NASA's TRACERS mission blasted off July 23 on a Falcon 9 rocket with three other small agency satellites that will act as technology demonstrators to monitor space weather.

Europe tests largest-ever Mars parachute in the stratosphere above the Arctic (video)

A giant parachute built for the beleaguered European ExoMars mission has aced a drop test in the Arctic stratosphere.

Crypto billionaire Justin Sun will fly on Blue Origin's next space tourism launch

Justin Sun, the billionaire founder of the blockchain platform Tron, is one of the six people who will fly to suborbital space on Blue Origin's next tourist mission.

Night sky glows purple above Vera Rubin Observatory | Space photo of the day for July 22, 2025

The Vera Rubin Observatory in the Atacama Desert recalibrated under a purple night sky.

Hubble spots interstellar invader Comet 3I/ATLAS for the first time

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday morning (July 21).

SpaceX aborts satellite launch 11 seconds before liftoff (video)

SpaceX aborted the planned launch of two of SES' O3b mPOWER communications satellites just before liftoff on Monday evening (July 21). The company will try again tomorrow (July 22).

'Chaos' reigns beneath the ice of Jupiter moon Europa, James Webb Space Telescope reveals

New observations from the James Webb Space Telescope (JWST) are painting a new picture of Jupiter's moon Europa and revealing the hidden chemistry of the icy moon's interior.

Eclipse chasers share insider tips, travel advice and skywatching secrets for the 2026 total solar eclipse

Our expert travel guide to the 2026 total solar eclipse in Greenland, Iceland and Spain is packed with insider tips, travel advice and skywatching secrets from seasoned eclipse chasers.

This new 'CosmoCube' moon orbiter could eavesdrop on whispers from the early universe

U.K. scientists plan to send a small spacecraft to the moon's far side to detect faint radio signals emitted shortly after the Big Bang.

NASA's X-59 'quiet' supersonic jet rolls out for its 1st test drive (video)

NASA recently took its new X-59 "quiet' supersonic jet for a drive during taxi tests, one of the final hurdles between the aircraft and its first flight.

These 3 popular skywatching star clusters may be branches of the same family tree

The Orion Nebula, the Pleiades and the Hyades open clusters could represent the different phases of star clusters: baby, adolescent and elderly.

When did our solar system's planets form? Discovery of tiny meteorite may challenge the timeline

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same time, challenging current models of our solar system’s evolution.

'Most impressive!' Darth Vader's screen-used 'Star Wars' lightsaber could fetch $3 million in September auction

Propstore will also trot out this rare relic for a 3-city press tour this August

Astronomers crack 1,000-year-old Betelgeuse mystery with 1st-ever sighting of secret companion (photo, video)

Astronomers have finally imaged the long theorized companion star of Betelgeuse, solving a mystery regarding its dimming that has persisted for millennia.

ESA selects 5 rocket companies for European Launcher Challenge

Germany's Isar and RFA, France's Maiaspace, Spain's PLD Space, and UK-based Orbex have been pre-selected for ESA's €169 million launcher initiative.

Amateur astrophotographer captures trio of breathtaking nebulas from the Central Australian Desert (photos)

"There's some great targets in the southern hemisphere, including the Carina Nebula."

Astronauts collect blood aboard the ISS | Space photo of the day for July 21, 2025

Astronauts aboard the International Space Station collect blood samples as part of a project to study human health in space.

What are these strange swirls around an infant star? 'We may be watching a planet come into existence in real time'

Astronomers have discovered a baby exoplanet "spiral architect" carving complex swirls into a disk of gas and dust around the young star HD 135344B.

Earth will spin faster today to create 2nd-shortest day in history

Our planet has been rotating at its fastest since records began in 1973.

South Korea wants to build a moon base by 2045

South Korea just laid out its long-term space exploration road map, which features the planned construction of a moon base two decades from now.

This wild bioplastic made of algae just aced a Mars pressure test. Can astronauts use it to build on the Red Planet?

Scientists have grown algae in bioplastic habitats under Mars-like conditions, a step that could bring long-term space colonization closer to reality.

Discover where the Eagle might have landed: How to find Apollo 11's backup sites on the moon

Find the locations of the five landing zones considered as the setting for humanity's first steps on another world.

NASA's Roman Space Telescope could discover 100,000 new cosmic explosions: 'We're definitely expecting the unexpected'

Supernovas, kilonovas, gamma-ray bursts... oh my! The Nancy Grace Roman Space Telescope will uncover 100,000 of these explosions and many more powerful and violent cosmic events.

See the moon cross the Pleiades for the last time this year on July 20

The moon's crescent limb will cloak and uncover stars from the iconic cluster before sunrise.

This Week In Space podcast: Episode 169 — The Day Mars Died

On Episode 169 of This Week In Space, Rod Pyle and Tariq Malik are joined by JPL Chief Engineer Emeritus Rob Manning to look back at the Mariner 4 Mars mission 60 years later.