The United States has been at the epicenter of the planet’s most unusually cold conditions early in 2025. The polar vortex is ...

Artist's concept of a potentially habitable super-Earth orbiting a star called HD 20794. Illustration credit: Gabriel Pérez ...

Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

Mars may once have held enough water to fill oceans and form coastlines. The planet’s red dust contains water and likely formed in cold conditions.

Cold, dark and distant ... one of three newly defined criteria to be a planet. They were: The body must orbit its host star, just as Earth and Jupiter orbit the sun. It is large enough to be ...

A new study reveals that Earth's biomes changed dramatically in the wake of mass volcanic eruptions 252 million years ago.

making it Earth’s most unusually cold place this year so far. This spot has been colder, relative to average, than any other place on the planet, due in large part to its proximity to this year ...

Now researchers at Japan’s Osaka University have uncovered the physiological mechanism behind Belgica antarctica’s mastery of the cold — one that’s never ... in the few days they have left on Earth.

The mass extinction that ended the Permian geological epoch, 252 million years ago, wiped out most animals living on Earth.

Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

NASA’s Perseverance rover found pale rocks containing kaolinite on Mars, a mineral that forms in warm, wet conditions.