How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

At 10 a.m. on Saturday, the crew pulled up the gangplank and took in the mooring lines, and soon the Araon was steaming out ...

The continent’s ice is melting and raising sea levels worldwide. Our journalists will be sending regular dispatches as they ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

When Earth was a molten inferno, water may have been locked safely underground rather than lost to space. Researchers ...