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 ...

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.

As is often the case with franchises that have been around for decades, Star Trek has had its share of episodes that make modern viewers do a double-take.

A Washington Post investigation found that in one of the planet’s most arid regions, extreme rain and floods have become ...

The Others in Pluribus are so tranquil and peace-loving that they somehow come across as strangely sinister, which makes me think they aren't quite the wholesom ...

Elon Musk reveals his shock UFO theory: they aren't aliens but secret government weapons. Plus, the grim biological truth ...

Elon Musk doesn't believe aliens have visited planet Earth and thinks UFOs have more to do with the United States government ...

Regina Barber and Emily Kwong of NPR's Short Wave discuss an Earth-sized exoplanet, how ant colonies deal with disease and a possible link between volcanoes and the Black Death.

Researchers using NASA’s James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on a rocky ...