3I/ATLAS is moving towards a close Jupiter flyby expected in March 2026, and the event is drawing strong attention from scientists and the public. The interstellar object, now travelling past the ...

Europe's most advanced interplanetary space probe lost contact with Earth for nearly a full day leading up to a crucial flyby of Venus that will occur on Sunday (Aug. 31). JUICE (short for "Jupiter ...

According to this early data, Jupiter’s equatorial radius was around 44,423 miles (71,492 kilometers), and its polar radius ...

NASA's Europa Clipper spacecraft, en route to Jupiter's icy ocean moon Europa, recently captured a ghostly infrared portrait of Mars — a cosmic photo op that helped scientists fine-tune an instrument ...

Baby stars, teenage planets, and disappearing icebergs are all featured this week. Plus, a look back at a New Horizons image of Jupiter and Io, and a strange, elongated cloud on Mars.