From the outside, Earth doesn't seem to have a lot going on in the hydrogen department… but that doesn't mean it's completely ...

The planet's radius from pole to center has been revised to 66,842 km, and at the equator to 71,488 km. That makes it about 12 km smaller along the poles, and about 4 km smaller at the equator, than ...

Life on Earth started in the oceans. Sometime around 475 million years ago, plants began making their way from the water onto the land, and it took another 100 million years for the first animals with ...

Elon Musk announced this week that SpaceX will acquire xAI with hopes to build datacenters in space.

Follow-up observations with the Five-hundred-meter Aperture Spherical Telescope (FAST) and new data from Parkes and the Green ...

This post features biographies and notable quotes from oral history interviews with planetary geophysicist Lynnae Quick, ...

Boreal forests have experienced the fastest warming of any forested biome.

The real threat to a secure and sustainable supply of rare earths is not that they are scarce, but that so much is wasted.

Researchers say tropical coral reefs may have already crossed a tipping point, portending mass dieback. Studies suggest they ...

NASA's shock discovery as interstellar comet 3I/ATLAS blasts out pristine ices at 153,000mph, reigniting alien theories and ...

Elon Musk says AI’s real bottleneck isn’t chips but power, and his solution is radical: space-based data centers fueled by orbital solar energy.