Comet 41P slowed its rotation to a halt and then began spinning in the opposite direction, surprising scientists.

Memory loss can happen for many reasons, including normal aging, stress, lack of sleep, medication side effects, or medical ...

A recurring springtime shift in Pacific Ocean salinity helps steer warm water eastward months in advance, amplifying El Niño ...

New evidence suggests a rare triplet superconductor may help quantum computers stay in sync by preserving electron spin ...

Greenland loses 200 billion tons of ice per year, lifting the land and lowering nearby sea levels even as global oceans ...

An asteroid the size of a building could collide with the Moon in 2032 and generate a flash visible from Earth.

A small copper tool found in a museum drawer is now confirmed as the oldest rotary metal drill in ancient Egypt, dating back 5,300 years.

A 200-million-year-old cycad species that coexisted with dinosaurs and still survives has been discovered in the Amazon.

A massive 37-million-year-old underwater canyon reveals the fossil trace of an ancient Atlantic tectonic boundary.

New research shows melting Arctic sea ice could be reshaping India’s monsoon, shifting heavier August and September rains ...

A new study shows eruptions and wildfires altered the upper atmosphere, yet recent surface warming points elsewhere.

Scientists find horses produce two sounds at once - a deep vocal tone and a high whistle - revealing how their complex whinny ...