Scientists found 3.3 billion-year-old biosignatures in ancient meteorites and fossils—a billion years older than we thought ...

"One Hand Clapping" draws from neuroscience, evolution, philosophy and a rich tapestry of cultural references to examine how ...

Two enormous structures that sit at the border between the Earth's mantle and its core have puzzled scientists for decades.

Oxygen, essential to our existence, took nearly a billion years to appear in significant quantities on Earth, despite the ...

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

About 1,800 miles (2,900 kilometers) below our feet, two enormous patches of strange rock sit above Earth’s core. New ...

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

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

By integrating seismic data, mineral physics and geodynamic modeling, the study reconceived large low-shear velocity ...

Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside ...

What are the physics of life? That is more than just a philosophical question—it has practical implications for our search ...