New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Here's the biggest science news you need to know. Kilauea volcano erupts with lava fountains and ash, engulfing a U.S.

NASA's Jonny Kim and two cosmonauts are scheduled to leave the ISS today (Dec. 8) at 8:41 p.m. ET. Three astronauts will head ...