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

Every second, our planet is racing through space at tens of thousands of miles per hour, yet the air outside the window ...

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 ...

Astronomers using NASA's James Webb Space Telescope have discovered the most direct evidence yet that a rocky planet orbiting ...

The new dataset, published in Earth System Science Data by 16 scientists, shows a significantly cooler Earth from the late 1700s through 1849 compared with 1850-1900 — the latter being what scientists ...

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.

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 ...