Polycyclic aromatic hydrocarbons (PAHs) are important carriers of organic matter throughout the universe. As organic ...

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

A machine-learning breakthrough could lift the veil on Earth’s early history—and supercharge the search for alien life ...

Pairing cutting-edge chemistry with artificial intelligence, a multidisciplinary team of scientists today published fresh chemical evidence of Earth’s earliest life – concealed in 3.3-billion-year-old ...

Spermine, a small but powerful molecule in the body, helps neutralize harmful protein accumulations linked to Alzheimer’s and ...

Earth system models have been overestimating natural nitrogen fixation by about 50%, overstating the strength of Earth’s future carbon sink.

Deep in some of Earth’s oldest rocks, traces of ancient life still linger, even when every cell has crumbled. You would not ...

A medicinal chemist from Austria had an idea and clubs, including Dortmund, have taken note. But how is saliva used to ...

AI-powered chemical analysis uncovered faint biological fingerprints in some of Earth’s oldest rocks, pushing back the origins of oxygen-producing life.

Earth's earliest life left behind very few chemical traces. Fragile remains, like ancient cells and microbial mats, were buried, squeezed, heated, and broken apart by the planet's shifting crust ...