'Old Faithful' galaxy has brilliant outbursts every 114 days By Elizabeth Howell An "Old Faithful"-like event in space may shed light on the nature of stars nearby supermassive black holes embedded in galaxies.
How do stars die? By Paul Sutter Surprisingly, the fate of a star is easy to predict. All you need to know is how big it is.
On This Day in Space! Jan. 17, 1985: Final Aerobee sounding rocket launched By Hanneke Weitering On Jan. 17, 1985, the United States launched its 1,037th and final Aerobee rocket. See how it happened in our "On This Day In Space" series!
Critical engine test for NASA's Space Launch System megarocket shuts down earlier than planned By Amy Thompson NASA fired up the core stage of its massive new megarocket Saturday (Jan. 16) in a critical test that appeared to shut down early.
Replay: NASA test-fires 1st SLS megarocket booster By Space.com Staff NASA will fire up the engines of its first Space Launch System megarocket today (Jan. 16) in a critical test for the agency's Artemis moon program. Here's how to watch it live.
Rocket Lab calls off microsatellite launch due to sensor issue By Tariq Malik The small-satellite launch company Rocket Lab called off its first launch of 2021 from New Zealand Saturday (Jan. 16) due to some strange sensor readings ahead of liftoff.
'Bumblebee gravity' could explain why the universe is expanding so quickly By Paul Sutter Bumblebee gravity could explain dark energy — if it's proven true.
Space photos: The most amazing images this week! By Doris Elin Urrutia See the best photos on Space.com this week.
The top space stories of the week! By Doris Elin Urrutia These are the top space stories this week from Space.com.
NASA will test-fire its 1st SLS megarocket for moon missions today. Here's how to watch. By Amy Thompson NASA will attempt to fire the engines on its Space Launch System (SLS) megarocket for the first time today and you can watch the fiery action live online.
Here's a frightening 1st look at the newly-resurrected 'Alien' series from Marvel Comics By Jeff Spry Marvel Comics relaunches the "Alien" comic book franchise in 2021 with this terrifying tale of a Weyland-Yutani mercenary battling a new breed of xenomorph creature.
Vespera, a smart telescope to make astrophotography easier, nabs CES 2021 Innovation Award By Hanneke Weitering Vaonis, a French startup that raised eyebrows in 2018 with its sci-fi robot-looking Stellina smart telescope, has revealed its latest newbie-friendly astrophotography invention.
Cold War heats up on the moon in 'For All Mankind' season 2 trailer for Apple TV+ By Robert Z. Pearlman Space shuttles fly to the moon and astronauts take up arms in the new trailer for the second season of "For All Mankind." The series returns to streaming on Apple TV+ on Feb. 19.
SpaceX swapping out two engines on Starship SN9 prototype ahead of test flight By Mike Wall SpaceX's latest Starship prototype needs some maintenance work before it can take to the skies.
Astronaut William Thornton, who invented space shuttle treadmill, dies at 91 By Robert Z. Pearlman Former NASA astronaut William "Bill" Thornton, who used his own inventions to measure and combat the ill-effects of microgravity while on board two space shuttle missions, has died at the age of 91.
Rian Hughes delivers a modernist sci-fi saga of epic proportions in his debut novel, 'XX' By Jeff Spry The acclaimed graphic designer and comics creator explores extreme typographic territory in this wild first contact tale.
2020 ties record for the hottest year ever, NASA analysis shows By Chelsea Gohd The year 2020 has tied the record for the hottest year on record, a new NASA study shows.
Pictures from space! Our image of the day By Space.com Staff The Hubble Space Telescope spotted a growing, gaseous supernova remnant, known as 1E 0102.2-7219, from a supernova explosion that occurred 1,700 years ago during the fall of the Roman Empire.
Space Chat with Space.com: Tune in Fridays for science, space and more! By Chelsea Gohd This Friday (Jan. 15), "Space Chat" will explore climate change.