Interstellar comet 3I/ATLAS has changed color for the third time as it peeks out from behind the sun. The biggest, brightest ...

Declining immune responsiveness with age may be driven by changes in immune cells — not by inflammation, as previously ...

Wang Jie, Chen Zhongrui and Chen Dong — will be extending their stay aboard China's Tiangong space station after their return ...

Looking for waterproof hiking shoes that do not cost the earth? No need to wait for Black Friday, the excellent Columbia ...

The UNEP's 2025 Emissions Gap report has found that global average temperatures will exceed 1.5 C (2.7 F) before 2035 — and ...

What would a human see and feel while falling into a black hole? In this exclusive excerpt of his new book, "Facing Infinity, ...

After giving birth, a woman noticed that she produced milk from both her mammary glands and her armpits.

Researchers have found 6 million-year-old ice in the Allan Hills region of Antarctica and say the oldest-of-its-kind sample offers an unprecedented view into Earth's ancient climate.

A giant colonial spiderweb in a sulfuric cave on the border between Greece and Albania may be the largest ever found — and it ...

In this excerpt from "Sink or Swim," author Susannah Fisher explores the future of human migration, and what that will look ...

A 2019 satellite photo shows the recently resurrected "Marree Man" geoglyph, which mysteriously appeared in the Australian ...

Researchers are deliberately setting off real (small) earthquakes to understand how to gauge the danger of a fault line ...