The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time.

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and ...

"Using our newly developed RAVEN pipeline, we were able to validate 118 new planets, and over 2,000 high-quality planet candidates, nearly 1,000 of them entirely new." When you purchase through links ...

NASA's Kepler Space Telescope has discovered 2,784 distant alien worlds. While some orbit within habitable zones and look ...

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

A newly identifiedplanetary system is forcing astronomers to rethink how worlds form and evolve, as a rocky planet appears ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

Investor excitement around the SpaceX IPO is colliding with peak Elon Musk futurism after a new social media post featuring his musings about light-speed travel and exploring alien worlds. In a social ...