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

Humans have discovered powerful telescopes to gaze at the beautiful night sky, only to realize that distant objects in space are things of the past. The light of these distant objects takes a certain ...

NORFOLK, Va. — A light year is exactly what it sounds like: the distance light travels in one year. If you need to get somewhere quick, you'd want to jump on this train because light travels through ...

But the stellar halo, as this roughly ball-shaped, less dense grouping of stars is called, stretches the limits of the Milky ...

Astronomers have just confirmed one of the strangest kinds of worlds imaginable, a planet drifting through the galaxy with no ...

Even if they were dozens of light-years away, two colliding neutron stars could create a powerful enough explosion to wipe out life on Earth. At least, that’s according to a recent paper published in ...

New, groundbreaking research shows that rotation curves of galaxies stay flat indefinitely, corroborating predictions of modified gravity theory as an alternative to dark matter In a breakthrough ...

This Christmas, astronomers are highlighting a spectacular region of space that looks remarkably like a glowing holiday tree.

Mars is apparently not the only planet on our radar capable of sustaining life. UK researchers have confirmed the existence of a “super-Earth” located 20 light-years away that could reveal the ...

Congratulations on noticing an effect called superluminal expansion, a phenomenon we see in a light echo. The echo appears to us to expand at many times the speed of light, seemingly violating the ...