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Magnetic avalanches on the sun reveal the hidden engine powering solar flares

"This is one of the most exciting results from Solar Orbiter so far."

Artemis 2 astronauts enter quarantine ahead of historic NASA moon launch

The four astronauts of NASA's Artemis 2 moon mission went into quarantine on Jan. 23, keeping everything on track for a possible launch in early February.

James Webb Space Telescope sees comet-seeding crystals flowing far from newborn star (photo)

NASA's James Webb Space Telescope has spotted a young star flinging heat-formed crystals outward on a cosmic conveyor belt, offering a new clue to how comets evolve.

NASA to fly piece of Wright Brothers' plane on Artemis 2 moon mission

The Artemis 2 moon mission will send a swatch from the famous Wright Flyer, along with a number of other aerospace artifacts, when it launches in the coming weeks.

Milky Way shines over Gemini South Observatory | Space photo of the day for Jan. 26, 2025

Sometimes astronomers don't need giant telescopes to observe the wonders of the cosmos; they just need to look up at the night sky.

Moon landings could contaminate evidence about life's beginnings on Earth. Here's how

Exhaust from lunar landers drifts across the moon and contaminates ultra-cold polar craters that are rich in ancient ice and organic clues, a new study reports.

Watch SpaceX launch advanced GPS satellite for US Space Force on Jan. 27 after delay

SpaceX will launch an advanced, jam-resistant GPS satellite for the U.S. Space Force from Florida on Tuesday night (Jan. 27), and you can watch the action live.

'Leave no one alive': It's Guardians vs the Viltrumites as 'Invincible' season 4 trailer finally gives us a release date (video)

'There will be loss. There will be sacrifice. We must all face judgment for the evils of our past'

Scientists just got the clearest picture of the dark universe yet: 'Now the dream has come true'

"These results from the Dark Energy Survey shine new light on our understanding of the universe and its expansion."

Space.com headlines crossword quiz for week of Jan. 19, 2026: What is the name of Blue Origin's new communications megasatellite?

Test your space smarts with our weekly crossword challenge, crafted from Space.com's biggest headlines.

Rural areas have darker skies but fewer resources for students interested in astronomy – telescopes in schools can help

Helping young people tap into their excitement about the night sky helps them build confidence and opens career pathways they may not have considered before.

3 stunning lunar craters to explore during the half-lit first quarter moon tonight

The craters bear the names of astronomers who revolutionized our understanding of the night sky.

Amazon's internet-beaming satellites are bright enough to disrupt astronomical research, study finds

The satellites in Amazon's new internet-beaming megaconstellation in low Earth orbit are bright enough to disrupt astronomical research, a study has found.

Martha Wells' next 'Murderbot Diaries' book is 'the family roadtrip from hell on Ringworld' (interview)

In an exclusive interview, bestselling author Martha Wells talks "Platform Decay," from its moral stakes to Murderbot's bitter humor.

Which 'Star Trek' Captain am I?

Before you set a course for the final frontier, find out which legendary 'Star Trek' captain's leadership style aligns with your own.

Can we use bees as a model of intelligent alien life to develop interstellar communication?

We frequently question whether we are alone in the universe.

January's full Wolf Moon leaps past the Eiffel Tower in stunning photo of Paris skyline

The Wolf Moon is named for the hungry predators that sometimes can be heard howling in the winter month.

Earthquake sensors can track space junk that crashes back to Earth

Earthquake sensors can detect sonic booms generated by reentering space debris to help track the potentially dangerous objects in near real time.

A mystery object is holding this 120 million-mile-wide cloud of vaporized metal together

"Stars like the sun don’t just stop shining for no reason."

NASA's Artemis 2 moon rocket is on the launch pad. What's next?

Artemis 2 is at the launch pad, but several big tests must be performed before it launches as soon as Feb. 6.

Jeff Bezos' Blue Origin will refly booster on next launch of powerful New Glenn rocket

Blue Origin will use a flight-proven booster on the next launch of its New Glenn rocket. The liftoff, which is targeted for late February, will be just the third for New Glenn to date.

Two cosmic dogs rule the winter sky — here's how to spot them this week

Learn how to spot Sirius, Procyon and their canine constellations, and discover the myths and science behind the dog stars.

By the power of nostalgia! The live-action 'Masters of the Universe' trailer is finally here, and it actually looks good (video)

Spawned by Mattel's classic 1980s toy line, this summer spectacle arrives June 5, 2026.

A colossal asteroid may have warped the moon from the inside out

The findings are a big clue as to why the far and near hemispheres of the moon look so different.

Why binoculars are best for beginner astronomers to stargaze

Here's why a pair of binoculars is your best option for stargazing as a beginner.

Houston Texans celebrate upcoming Artemis 2 mission | Space photo of the day for Jan. 23, 2025

Leaders from NASA's Johnson Space Center and NASA astronaut Jessica Watkins helped turn a Texans home game into a pop-up space expo.

Rocket Lab's new Neutron rocket suffers fuel tank rupture during test

Rocket Lab's first Neutron rocket buckled under pressure when its main stage tank ruptured during an overnight test in Wallops, Virginia.

Sinking ice on Jupiter's moon Europa may be slowly feeding its ocean the ingredients for life

"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the prospects of extraterrestrial life in its ocean."

A black hole 'feeding frenzy' could help explain a cosmic mystery uncovered by the James Webb Space Telescope

"It is exciting to think that Little Red Dots may represent the first direct observational evidence of the birth of the most massive black holes in the universe."

'Vitus Reflux' may be the lowest stakes episode of 'Star Trek' ever. Luckily, it's also a lot of fun

Starfleet Academy's third mission is remarkably light on peril, but that isn't necessarily a problem

Cult sci-fi series 'Blake's 7' reboot in the works, helmed by 'The Last of Us' director Peter Hoar

‘Blake’s 7’ is heading back to deep space as Emmy-nominated director Peter Hoar launches a new indie studio and plans a reboot of the cult British sci-fi drama.

Vaonis Hestia smartphone-powered telescope review

The Vaonis Hestia, through clever means, turns your smartphone into a smart telescope.

Blue Origin launches 6 space tourists to the final frontier after last-minute crew swap (video)

Blue Origin launched six people to suborbital space today (Jan. 22). It was the 17th human spaceflight for the company, which was founded by Amazon's Jeff Bezos.

SpaceX launches 25 Starlink satellites into orbit from California (video)

SpaceX lit up the night sky over Vandenberg Space Force Base today (Jan. 22) with the launch of 25 more satellites for its Starlink broadband internet service.

James Webb Space Telescope discovers what remains after two stars collide and explode as a red nova

"Until now, it was unknown what type of star would remain after the merger."

Rocket Lab launches its 1st mission of 2026, sending 2 satellites to orbit (video)

Rocket Lab launched its first mission of 2026 this morning (Jan. 22), sending two satellites aloft for the European company Open Cosmos.

Watch comet 3I/ATLAS race toward interstellar space in free livestream tonight

3I/ATLAS is the third interstellar visitor ever to visit the solar system having been formed around a distant star.

ISS astronaut spots Artemis 2 moon rocket on the launch pad from space (photo)

A NASA astronaut on the ISS captured the Space Launch System rocket for Artemis 2, a mission that aims to bring four astronauts around the moon as soon as Feb. 6.

Searching for newborn stars with CAFFEINE | Space photo of the day for Jan. 22, 2026

The Core And Filament Formation/Evolution In Natal Environments (CAFFEINE) survey is an "astronomer's best friend," according to the European Southern Observatory.

See a slender crescent moon shine with Saturn in the western sky tonight

The lunar crescent will disappear below the horizon before midnight on Jan. 22.

iOptron 80mm White Light Solar Scope review

The iOptron 80mm scope is easy to use and suited to both white-light solar viewing and nighttime observations.

Wobbling exoplanet hints at a hidden exomoon so massive it could redefine the word 'moon' altogether

"In our solar system, the most massive moon is Ganymede, which is still extremely small compared to what we are inferring here."

'We can handle any kind of difficult situation': Crew-11 astronauts say 1st medical evacuation from ISS had a silver lining

The fact that Crew-11 returned to Earth safely despite unprecedented circumstances bodes well for the success of future missions that go farther afield, astronauts said.

'Eye of God' nebula looks like a cosmic lava lamp in new James Webb Space Telescope image

It may be one of the most iconic sights in the night sky, but astronomers have never seen the Helix Nebula like this before.

'Legends of Tomorrow' at 10: Celebrating DC's scrappy version of 'Back to the Future'

Great Scott! Legends of Tomorrow still rocks even 10 years later.

Record-setting astronaut Suni Williams retires from NASA after 27 years

Astronaut Suni Williams left NASA late last month after 27 years of service. She spent a total of 608 days in space, more than all but one other American astronaut.