The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

Little Foot is a near-complete Australopithecus skeleton — the most complete ever discovered — from South Africa. Researchers ...

Every second, our planet is racing through space at tens of thousands of miles per hour, yet the air outside the window usually feels calm. That apparent stillness hides a web of forces, from orbital ...

NASA’s confirmation that Earth has darkened as air has grown cleaner captures a jarring reality: the same policies that spare lungs can, in the short term, expose the planet to more heat. As pollution ...

Say you want to listen in on a group of super-intelligent aliens whose language you don't understand, and whose spaceship ...

Planet-warming pollution rates exploded after the end of World War II. James Watt’s steam engine launched the Industrial ...

An ultra-hot rocky exoplanet may be wrapped in a dense atmosphere, defying expectations about what small planets can sustain.

Astronomers are uncovering distant worlds beyond our solar system using ingenious indirect methods like observing stellar ...

Interstellar comet 3I/ATLAS has once again baffled scientists and astronomers with its increasing brightness and striking ...

Scientists have uncovered a massive, hidden rock layer beneath Bermuda, over 12 miles thick, defying typical oceanic island ...