A new study of carbon-based molecules in a Martian rock offers new hints about the possibility that the red planet once ...

A research team at King's College London has isolated a new form of aluminum—a highly abundant metal, that could provide a ...

What we breathe out becomes fuel for forests. But inside our own bodies, CO₂ has a secret life. It sparks chemical reactions, shapes metabolism, and may even act as a signaling molecule—and a new tool ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

Interstellar comet 3I/ATLAS reached a speed of 58 km/s upon arrival, and was too fast to be captured, making a short flyby a ...

For decades, scientists have believed that complex life began when two very different microbes joined forces, eventually ...