Is anybody out there? Probably. Most stars have planets; we've discovered more than 6,000 exoplanets thus far, and the most ...

If there's one modern astronomical concept that has successfully permeated the mainstream media, it's the "Goldilocks zone." Not only is it associated with the search for alien life, one of the more ...

Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for ...

The idea was that as an alien civilization advances, its technology becomes too sophisticated for us to detect. We could ...

Thirty years ago this week, two Swiss astronomers announced that they had spotted the first known planet orbiting a Sun-like ...

Many were detected by NASA’s Kepler and Transiting Exoplanet Survey Satellite (TESS) missions, with other telescopes also ...

Long-ago collisions between clouds of gas and dust could explain why many alien solar systems have planets with strange, highly tilted orbits — and why habitable worlds may be rare in the universe, a ...

"As a planetary system, it's as alien as it gets," said Néstor Espinoza ... "TRAPPIST-1e remains one of our most compelling habitable-zone planets, and these new results take us a step closer to ...

The search for life beyond Earth is a holy grail quest for many experts, but finding where to look is a core issue. This article was originally published at The Conversation. The publication ...

First-year students in Rochester Institute of Technology’s Science Exploration Program are reproducing a slice of life in their lab that might exist on the seven Earth-like planets recently discovered ...

Imagine a planet twice as wide as Earth, covered in an ocean that smells like sweet cabbage. Every day, a faint red star warms this ocean world and the uncountable masses of hungry, plankton-like ...

New research suggests that technological civilizations in the Milky Way are extremely rare, with the closest potentially ...