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 ...

A team of scientists managed to spot an entire population of freely-floating, Earth-sized exoplanets that are sailing through space rather than orbiting a star. By spotting the tiny fluctuations in a ...

Earth has a new friend — and it’s been waiting for us to notice it for decades. In a new study published in the journal Research Notes of the American Astronomical Society, astronomers report the ...

An astronaut on the International Space Station captured mysterious blue spheres in the sky last year. NASA's Earth Observatory shared the photo last year, as well, shortly after it was taken. The ...