As scientists wait for the asteroid to reappear, its revised trajectory is now drawing attention to another possible target: ...

YR4 was detected by the Asteroid Terrestrial-impact Last Alert System, or ATLAS telescope, in Río Hurtado, Chile, two days ...

These luminous trails are caused by satellites. Specifically, the growing number of “megaconstellations” launched into low ...

NASA scientists recently pulled off a remarkable space repair—saving a camera orbiting Jupiter from 370 million miles away. The camera, called JunoCam, is part of NASA’s Juno spacecraft, which has ...

Scientists are wondering whether the latest interstellar object, 3I/ATLAS, may have been sent to us by an extraterrestrial ...