Sen, a company based in London, provides views of Earth from orbit, with the hopes of making an experience usually reserved ...

Massive ripples in the very fabric of space and time wash over Earth constantly, although you'd never notice. An astrophysicist is trying a new search for these gravitational waves.

These images feature zodiacal light — the faint, diffuse glow created by sunlight scattering off dust particles in orbit.

Don Pettit spent a busy 220 days at the International Space Station. He conducted experiments, talked with students and ...

A massive hydrogen cloud near Earth, Eos, was discovered glowing in ultraviolet light - offering new insights into star ...

The moon is not capable of producing its own light, so what we see from Earth is a reflection of the sun's light shining on ...

Astronomers have spotted a supermassive black hole eating a star. This happened far from the center of its galaxy. The event, ...

The Aquarids meteor shower is set to peak this week. Everyone in the U.S. will have a chance to catch a glimpse.

A thin shell of air wraps around Earth, stretching about 20 miles above the surface. This invisible veil is packed with tiny ...