Thanks to an enormous stroke of luck and serendipitous timing, astronomers were able to calculate the mass and distance of a ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Scientists measured mass and distance of free floating planet drifting through space without star for first time.

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a dramatic planetary breakup.

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

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 ...

Shutterstock Everyone has seen pictures of Earth from space and recognized that it is primarily blue with some parts that are ...

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

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...