The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

This is a repost! Thank you to everyone who pointed out our error in the previous version. Hosted by: Hank Green (he/him) ...

Explore four hypothetical worlds that could be more suitable for humans than Earth, based on current research and simulations ...

The Earth channels cosmic power in the form of solar energy. The coming winter superstorm shows just what havoc that power ...

A pull in the right direction ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Earthshine is sunlight that bounces off Earth, travels to the Moon, and then reflects back to our eyes. The Moon essentially ...

Earth is often described as a water world, but how that water arrived has never been settled. For years, the focus has rested ...

NASA has dismissed viral claims that Earth will briefly “lose gravity” in August 2026, calling the theory scientifically ...

Nitrogen, upon which all life on Earth depends, may hold the key for explaining how early life on the planet evolved and how it could evolve on other planets.

A 2020 satellite photo shows the immense power of 7-story waves crashing along the Portuguese coast. Later the same day, a ...

Polygon has rounded up the best icy sci-fi planets from our favorite video games, movies, television, and books ...