The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

The Perseverance rover inspects a Martian rock called Cheyava Falls using its Scanning Habitable Environments with Raman & ...

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

James Webb uncovered exotic salt clouds surrounding the famous "Pink Planet," solving a long-standing mystery about one of ...

Scientists can't fully agree on what GJ504b actually is. It may be a massive planet or a brown dwarf, a mysterious class of ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

The planets are extremely large, with TOI-791 b being about the same size as Jupiter, and TOI-791 c even larger. Yet, they ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

Reactions asked, "What are we even doing?" after a judge blocked Trump's order creating a database to ensure non-citizens can't vote.