Humans may, one day, be able to inhabit other planets. Some advocates argue that remaining on only one courts disaster.

Jupiter will be at its most spectacular in 2026 in the early hours of Jan. 10, as it shines above the eastern horizon among ...

Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

Humans have always been fascinated with space. We frequently question whether we are alone in the universe. If not, what does ...

Scientists studying Jupiter’s moon Europa have zeroed in on a strange, spider-like feature etched into the moon’s icy shell, ...

While late M-stars are the easiest places to find Earth-sized planets, a new study suggests they are biological dead ends where animal life may never find enough fuel to evolve.