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.
Data from the now-destroyed Arecibo radio telescope has revealed a bizarre new type of hybrid venomous spider star.
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.
A citizen scientist group has created the most complete map to date of brown dwarfs neighboring our solar system.
An "Old Faithful"-like event in space may shed light on the nature of stars nearby supermassive black holes embedded in galaxies.
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 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.
In 2021, atmospheric carbon dioxide concentration will be 50% higher than preindustrial levels, despite reduced emissions during the pandemic and a natural cooling event.
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.
Scientists were able to measure the orbit of exoplanet GOT 'EM-1b, a gas giant nearly 1,300 light-years from Earth.
What if the world were constantly bombarded with space-rock smashups, big enough and frequent enough to shape the course of entire cultures?
Scientists have found the most distant quasar yet known — and it's home to a seriously supermassive black hole.
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.