The scientific wonderers at What If investigate a newly found world in a faraway star system that might actually have the ...

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

If forced to choose one descriptor for the octopus, the best word may be “otherworldly.” These truly amazing marine animals ...

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

Indie studio Pioneers Games, led by solo developer Rafał, has released a Steam demo for its upcoming survival adventure, ...

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

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

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

The series finally gets a proper sendoff.

A newly identifiedplanetary system is forcing astronomers to rethink how worlds form and evolve, as a rocky planet appears where no such object should exist, according to a study published in Science.

Scientists decided one way, but some states still see Pluto as a planet. So I asked the next generation their opinion.

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