In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

It also pushed them to tighten their standards, especially when the conversation shifts from “interesting chemistry” to ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

If life exists beyond Earth, water may be the first clue. Water Worlds explores the planets and moons where liquid water ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

The central mystery posed by 3I/ATLAS is not merely about whether we are alone, but about the sheer scale of the potential ...

British space scientist Dame Maggie Aderin–Pocock is sure that life is present on some other planet in the universe. Citing ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most disturbing alien races in the galaxy.