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.
Now-dead radio telescope finds bizarre venomous-spider star By Rafi Letzter Data from the now-destroyed Arecibo radio telescope has revealed a bizarre new type of hybrid venomous spider star.
A neutron-star crash spotted 3 years ago is still pumping out X-rays. But why? By Meghan Bartels Three years ago, two neutron stars collided in a cataclysmic crash, the first such merger ever observed directly. Naturally, scientists kept their eye on it — and now, something strange is happening.
Citizen scientists create 3D map of brown dwarfs in our sun's neighborhood By Samantha Mathewson A citizen scientist group has created the most complete map to date of brown dwarfs neighboring our solar system.
'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.
'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.
The top space stories of the week! By Doris Elin Urrutia These are the top space stories this week from Space.com.
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.
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.
Curiosity rover celebrates 3,000 Martian days on the Red Planet By Mike Wall NASA's Curiosity rover marked 3,000 Martian days, or "sols," on the Red Planet Tuesday (Jan. 12), a mere five weeks before NASA's Perseverance rover is scheduled to touch down.
NASA extends planetary science missions at Mars and Jupiter By Elizabeth Howell NASA is ready to give missions at Mars and Jupiter a little more time to continue their investigations, although there's no guarantee they will finish out their extended missions.
Triple-star system's strange antics entrance scientists digging through 125 years of data By Meghan Bartels "It was as if somebody had just created a telescope that was a time machine."
Atmospheric CO2 will pass an alarming milestone in 2021 By Harry Baker In 2021, atmospheric carbon dioxide concentration will be 50% higher than preindustrial levels, despite reduced emissions during the pandemic and a natural cooling event.
Astronomers are still reeling from the loss of iconic Arecibo radio telescope By Meghan Bartels The collapse of the iconic radio telescope at the Arecibo Observatory in Puerto Rico last month has left astronomers with a host of questions about what went wrong and what comes next.
Gas giant exoplanet with weirdly long orbit may bear clues about our solar system By Kasandra Brabaw Scientists were able to measure the orbit of exoplanet GOT 'EM-1b, a gas giant nearly 1,300 light-years from Earth.
Imaginary Earths: Countless Falling Stars By Charles Q. Choi What if the world were constantly bombarded with space-rock smashups, big enough and frequent enough to shape the course of entire cultures?
MethaneSAT picks SpaceX for satellite launch to track methane levels in Earth's atmosphere By Samantha Mathewson SpaceX has been selected to launch MethaneSAT’s newest methane-tracking satellite in 2022.
The most distant quasar ever found is hiding a seriously supermassive black hole By Chelsea Gohd Scientists have found the most distant quasar yet known — and it's home to a seriously supermassive black hole.
NASA's InSight Mars lander may 'hear' Perseverance rover's landing next month By Mike Wall The landing of NASA's Perseverance Mars rover next month will make serious waves, some of which may help scientists better understand the Red Planet's structure.
