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Live coverage: SpaceX seeks second attempt at Falcon Heavy launch following weather scrub on Monday

The mission will send the ViaSat-3 F3 satellite to a geosynchronous transfer orbit. Liftoff from Launch Complex 39A at NASA’s Kennedy Space Center is scheduled for 10:13 a.m. EDT (1413 UTC), at the opening of an 85-minute window.

ULA launches 29 Amazon Leo satellites on Atlas 5 rocket from Cape Canaveral

The mission, dubbed Amazon Leo 6 by United Launch Alliance and Leo Atlas 6 (LA-06) by Amazon Leo, is the 10th batch of production satellites launched to orbit. Liftoff from pad 41 at Cape Canaveral Space Force Station is scheduled…

SpaceX scrubs Falcon Heavy launch of final ViaSat-3 satellite due to poor weather

This will be the 12th launch of a Falcon Heavy rocket to date and the first use of Landing Zone 2 and Landing Zone 40 simultaneously. A new launch date from Launch Complex 39A at NASA’s Kennedy Space Center is…

SpaceX flies 25 Starlink satellites to orbit on its 50th Falcon 9 launch of the year

Liftoff of the Starlink 17-16 mission from Space Launch Complex 4 East occurred at 7:37 a.m. PDT (10:37 am EDT / 1437 UTC).

SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB

The mission is the 40th launch of the year from SpaceX, dedicated to flying its broadband internet satellites. Liftoff of the Starlink 17-14 mission happened at 8:23:09 p.m. PDT (11:23:09 p.m. EDT / 0323:09 UTC).

SpaceX launches final GPS III satellite for the U.S. Space Force

This is the final spacecraft of this generation of precision, navigation, and timing satellites before the U.S. Space Force shifts to launching GPS IIIF satellites. Liftoff from pad 40 at Cape Canaveral Space Force Station occurred at 2:53 a.m. EDT…

Blue Origin launches third New Glenn rocket, but payload ends up in wrong orbit

Blue Origin launched the company's third New Glenn rocket Sunday, re-flying and successfully recovering a previously used first stage. But the rocket's payload, a direct-to-cellphone communications satellite, ended up in the wrong orbit, the company said.

Third flight of Blue Origin’s New Glenn rocket to feature 1st reuse of booster

Blue Origin plans to launch its third New Glenn rocket from Cape Canaveral Sunday during a two-hour window that opens at 6:45 a.m. EDT (1045 UTC). It will carry AST SpaceMobile’s BlueBird 7 satellite to provide direct to cell phone…

SpaceX makes 600th Falcon booster landing during West Coast Starlink mission

The Starlink 17-22 mission launched 25 broadband internet satellites into low Earth orbit. Liftoff from pad 4E at Vandenberg Space Force Base occurred at 9:03:09 a.m. PDT (12:03:09 pm EDT / 1603:09 UTC).

Blue Origin hot fires its first previously flown booster, prepares for weekend launch

The engine test, called a static fire, saw the company ignite all seven of its BE-4 engines for less than half a minute. Local maritime and aviation hazards suggest a launch could happen as soon as Sunday, April 19.

Starbirth shuts down 40,000 light-years from the Milky Way's core — and astronomers don't know why

Astronomers have found the boundary of star formation in the Milky Way's spiral disk — and it's not as far out from the center of our galaxy as you might imagine.

NASA chief Jared Isaacman says he's fighting for Pluto: 'I am very much in the camp of 'make Pluto a planet again'

Should Pluto be a bona fide planet again? NASA is working to "revisit the discussion" on Pluto's planethood status, according to agency chief Jared Isaacman.

Artemis 3 SLS rocket's core stage arrives in Florida for 2027 launch (photo)

The core stage for NASA's Artemis 3 rocket arrived at Kennedy Space Center in Florida on Monday (April 27), completing a barge journey of 900 miles (1,450 kilometers).

Canadian astronaut Josh Kutryk finally flying to ISS after Boeing Starliner mishap: 'I'm committed to making the most of this unique opportunity'

Just two weeks after Canada made history on the Artemis 2 moon mission, Canadian astronaut Josh Kutryk was assigned to the upcoming Crew-13 mission to the ISS.

A guide to observing deep-sky objects with binoculars, telescopes and more

Find out what deep-space objects are, what optics you’ll need to see them and how to plan your observing.

Aurora expert captures rare pulsating northern lights in remarkable detail: 'One of the most profound sightings of my career'

An unusually powerful pulsating aurora display lit up skies over Arctic Norway for nearly three hours during a colossal geomagnetic storm.

Scientists learn how much baby stars in Orion weigh — by watching their dance moves

By peering deep inside Orion's star-forming gas clouds, radio astronomers have been able to directly measure the masses of young binary stars, confirming that our theoretical models are on the right lines.

Could the moon ever be blockaded? Experts predict cislunar space could be the next Strait of Hormuz

The ongoing military conflict regarding Iran and the Strait of Hormuz may well mirror a future situation off-Earth — the use of cislunar space, the region between the moon and our planet.

Did decaying dark matter help create the universe's first supermassive black holes?

"With the James Webb Space Telescope now revealing more supermassive black holes in the early universe, this mechanism may help bridge the gap between theory and observation."

All 4 original Alien movie special editions are now on HBO Max; here's how they differ from the theatrical cuts

HBO Max just added the Alien movie special editions to celebrate Alien Day; here are all the major differences between the theatrical & director's cuts

Watch comet PANSTARRS 'switch on' its second tail as it makes closest approach to Earth

The ion tail appeared as Comet C/2025 R3 PanSTARRS was about 45 million miles from Earth (72 million kilometers) during its closest approach.

SpaceX launches its 50th mission of the year, sends 25 Starlink satellites to orbit (video)

A SpaceX Falcon 9 rocket launched 25 Starlink internet satellites to orbit from California on Sunday (April 26). It was the company's 50th liftoff of the year already.

We went hands-on with 'The Expanse: Osiris Reborn', and it's a hard sci-fi 'Mass Effect' successor with show-stealing zero-G sections

We've already played a chunk of Owlcat Games' take on The Expanse, and it looks like the hard sci-fi Mass Effect successor we were hoping for.

Want to know my secret for learning the night sky? Welcome to sidewalk stargazing

Being aware of the night sky even as you walk, even through a city, can give you a grounding in learning bright stars, constellations and how the night sky changes.

Atlas V rocket launches 29 Amazon internet satellites, ties record for heaviest payload it's ever flown (video)

A United Launch Alliance Atlas V rocket launched 29 more of Amazon's internet satellites to orbit on Monday night (April 27).

Backyard snapshot delivers stunning galaxy image | Space photo of the day for April 27, 2026

The Small Magellanic Cloud, a neighbor of our Milky Way galaxy, stuns in this ambassador's picture.

Astrobotic fires next-generation 'rotating detonation rocket engine' in record-breaking test (video)

Astrobotic completed a successful series of hot-fire tests of its rotating detonation rocket engine prototype, marking a key milestone for the experimental propulsion technology.

AI sped up James Webb Space Telescope data analysis from years to days. What can it do for the groundbreaking Rubin Observatory?

AI algorithms can sharpen naturally blurry images taken by ground-based telescopes, revealing details otherwise visible only to space-borne machines like Webb and Hubble.

NASA wants to use a fleet of MoonFall drones to scout the lunar south pole: 'We believe we can do it'

NASA is exploring ways to use a fleet of drones to explore the lunar south pole with an ambitious new MoonFall project.

Watch SpaceX's Falcon Heavy rocket launch for 1st time in 18 months on April 29

SpaceX will launch its Falcon Heavy rocket for the first time in 18 months on Wednesday morning (April 29), and you can watch the dramatic action live.

The 'Oscars of Science': Breakthrough Prize 2026 awards over $18 million for discoveries across space, physics and more

The 2026 Breakthrough Prize honored advances in dark matter, quantum physics, gene editing and nonlinear mathematics.

The moon as you rarely see it: How a photographer captured night and day on the first quarter moon

"That moment of completion was incredibly rewarding, as I felt like I had finally represented the first quarter moon as it might appear in person."

15 expert-checked places to see the 2026 total solar eclipse in Spain, Iceland and Greenland

From Arctic fjords and volcanic craters to medieval castles and coastal cliffs, here's where to get a clear line of sight to the total solar eclipse on Aug. 12, 2026.

Best space prison movies

Lock up our hearts and throw away the key, because we have found love in space. Space prison movies, that is.

Satellite snaps amazing 36th birthday pic of Hubble Space Telescope (photo)

The private WorldView Legion 4 Earth-observing satellite snapped an amazing photo of the Hubble Space Telescope on April 23, 2026, a day before the obsevatory's 36th birthday.

From Apollo to alien worlds: 4 'firsts' you can spot in the night sky tonight

From the first photographer star to the discovery of alien worlds, these night sky targets mark some of astronomy's greatest firsts.

Why do some starburst galaxies mysteriously shut down? New study provides clues

A new study suggests that most "post-starburst galaxies" cease star formation because they run out of fuel. But that's not the full story.

Russia launches 3 tons of cargo to the International Space Station from Kazakhstan (video)

Russia launched its latest Progress cargo ship toward the International Space Station from Baikonur Cosmodrome on Saturday (April 25).

How did humanity end up underground in 'Silo'? Apple TV digs deep in new Season 3 teaser (video)

"Before we know how it all will end, we need to understand how it all began."

This X-ray image shows our solar system 'breathing'

The eROSITA spacecraft has built the most precise map of soft X-rays over Earth, observing a fascinating phenomenon driven by solar winds from the sun.

Viltrox AF 50mm f/1.4 Pro FE lens review

The Viltrox AF 50mm f/1.4 Pro FE is a fast standard prime for astrophotography, at a competitive price.

How did the USSR win the space race to beat the US to the moon in Apple TV's new 'Star City'?

"I take this step for my country, for my people, and for the Marxist-Leninist way of life."

Famous asteroid Ryugu may have been bombarded by a swarm of tiny space rocks 1,000 years ago

Samples of Ryugu returned to Earth by the Hayabusa2 spacecraft show that the asteroid bears the scars of a recent bombardment by tiny space rocks.

'Guess I'll be waiting a minute to surf again': Artemis 2 moon astronaut Christina Koch shares her recovery journey

A week after the Artemis 2 moon mission ended, NASA astronaut Christina Koch struggled to walk in a straight line during a blindfold test. But it's all part of readjusting to life on Earth.

A Lego 'Project Hail Mary' set just soared into the stratosphere, breaking the Guinness World Record for highest flight

Amaze, amaze, amaze! A Lego version of the 'Project Hail Mary' spaceship soared into the stratosphere and set an altitude record.

Ice melts in the springtime on Mars | Space photo of the day for April 24, 2026

Springtime has arrived at the Red Planet's Chasma Boreale, as this photo by NASA's Mars Reconnaissance Orbiter shows.

A bright star will disappear for up to an hour tonight — here's what's happening

The moon will briefly hide Regulus in a dramatic occultation visible across parts of the eastern U.S.

Hubble Telescope celebrates 36th anniversary with gorgeous new image of famous Trifid Nebula

This latest image from Hubble forms just one of more than 1.7 million observations that the space telescope has made over the past 36 years since it launched on April 24, 1990.

Sun unleashes 2 colossal X-flares within 7 hours of each other, knocking out radio signals on Earth

The twin eruptions briefly disrupted radio signals across the dayside of Earth.

Ted Cruz pushes back on NASA budget cuts: 'I don't want to wake up one day and look up at the moon and realize the Chinese have beat us there'

Sen. Ted Cruz told engineers on NASA's Artemis program, "we'll take care of the politics...so you can do your job," amid steep cuts to NASA's funding in the Presidents fiscal year 2027 budget request.

Could 'The Mandalorian and Grogu' restore the 'Star Wars' spark? Watch the electrifying final trailer and decide if this is the way

The latest trailer for the next Star Wars film 'The Mandalorian and Grogu' is an explosive return to form for the sci-fi franchise from a galaxy far away.

What will happen when our sun starts dying? These 'stellar archaeologists' may have found a clue

Acting as stellar archaeologists, scientists have found fossilized magnetism on long-dead white dwarf stars, which may help to explain how stars evolve.

These 'interstellar glaciers' could give water to young star systems. Could they support alien life, too?

NASA's SPHEREx space telescope reveals widespread water ice in Cygnus X, showing how dust shields molecules in star-forming regions across the Milky Way.

Ancient volcanic ash seen blowing across Mars in new spacecraft images

New images from the Mars Express spacecraft show ancient volcanic ash spreading across the Red Planet.

James Webb Space Telescope peers into a dying star surrounded by mysterious buckyballs: 'The structures we're seeing now are breathtaking'

The James Webb Space Telescope captured the first detailed images of planetary nebula Tc 1, revealing new details of what happens after a sun-like star dies.