Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

The discovery of thousands more galaxies with stars ringing their main disks could help astronomers study galactic evolution ...

Three supermoons will lighten up the night skies in 2026, the stunning result when a full moon inches closer to Earth than usual as it orbits in a not-quite-perfect circle. Appearing bigger and ...

The investment opportunity isn't choosing between feeding people and reducing emissions—it's backing solutions that do both ...

Hooded Horse and Pavonis Interactive's grand strategy space game is out of early access now, and so far, it's a huge, ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

On Jan. 5, 2038, a rare “ring of fire” annular solar eclipse will be seen along a path from Cuba to Egypt, with 97% of the ...

There are about 15,000 satellites orbiting the Earth. Most of them, like the International Space Station and the Hubble ...

Jupiter.... Uranus.... Saturn... Earth? Sadly, Earth didn't make it onto the list of the Solar System's ringed planets. If it ...

Bright full moons, dazzling meteor shower displays and remarkable total eclipses will give stargazers plenty of reasons to ...

Early Mars seems to have had a protective atmosphere and liquid water in the form of oceans, rivers, and lakes. It may also ...