LifeTracer uses machine learning to spot subtle molecular patterns that separate biological chemistry from nonliving organics ...

On a scorching summer afternoon at Grootfontein, Namibia, a curious paradox greets every visitor to the Hoba meteorite.

Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to ...

A specially trained algorithm could aid the search for biological activity both on the early Earth and on other worlds.

We knew from prior analyses that a distant asteroid sampled in 2020 carried all but one of the molecules needed to kick-start ...

They built four models through which it could distinguish things with biological antecedents from things which lacked them. The oldest sample they identified as biological was 3.3bn years old—twice ...

Whether it's a sprained ankle or a backpack at the airport, X-ray images are an everyday occurrence in many areas. Empa ...

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...