When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's ...

For decades, scientists have been baffled by two enormous, enigmatic structures buried deep inside Earth with features so ...

Scientists have detected some of the oldest signs of life on Earth using a new method that recognizes chemical fingerprints ...

Researchers have discovered chemical traces of life in rocks older than 3.3 billion years, offering a rare look at Earth’s ...

The planet’s long-standing natural “thermostat” is being outpaced by an feedback loop process involving algae, phosphorus, ...

Interest in Martian life had been spurred by a now infamous announcement from the White House lawn in 1996, when President ...

Scientists have identified several caves carved by water and they may have held or have evidence of extraterrestrial life.

Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to destroy a planet’s atmosphere.

The shattering of Nuna may have built the perfect environment for life to evolve From 1.8 billion to 800 million years ago, ...

The giant structures that sit where Earth’s core meets the mantle and slow seismic waves as they pass through could be key to ...