Earth's "evil twin" turned out to be very different from our own planet.
New analysis of the planet’s surface suggests an eruption happened in modern times.
The Wolf-Rayet star will soon die, but it’s not yet gone supernova.
The finding suggests Earth’s water predates the solar system.
An icy space rock will shine brighter than the recent Green Comet—if it survives a close encounter with the Sun.
Behold: before-and-after footage of a NASA spacecraft smashing into an unsuspecting space rock.
The Hayabusa2 mission to Ryugu found organic molecules on the asteroid, new research describes.
New observations have expanded the largest 2D map of the sky.
Six distant dots spotted by Webb are actually massive 13-billion-year-old galaxies.
Behold the oblong space rock that sailed past Earth on February 3.
The Chelyabinsk meteor was the biggest space rock to hit Earth this century. Its shockwave shattered windows and…
The space observatory saw three galaxy clusters coming together to form a megacluster.
The 10 sample tubes are strewn about the Three Forks region of Jezero Crater.
Using the world-spanning Event Horizon Telescope, researchers were able to study an enormous jet of electromagnetic…
This is some of the best confirmation yet that the NASA robot is exploring a former lakebed.
Quaoar, a dwarf planet, has a ring system twice as far out as previously thought possible.
These space explorers managed to document their final moments, sending back precious data before going silent…
The roughly Colosseum-sized rock marks a new kind of target for Webb Space Telescope.