Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Why don't planets fall into the stars they orbit if they're constantly being pulled by gravity?Lindsey CoughterRocky Mount, ...

Earths, vast underground oceans of molten rock may be quietly doing the work of life’s first line of defense: generating ...

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

NASA has confirmed that there are over 6,000 exoplanets floating out there in the galaxy, with another 8,000 exoplanets that ...

At extreme pressures and temperatures, water becomes superionic — a solid that behaves partly like a liquid and conducts ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

A four-planet system reveals remarkable insights about how planets form and how they change during their lifetime.

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in ...