Supermassive black holes can devour stars and can even shape galaxies. We're now studying recent black hole collisions and examine how these gigantic mysteries get so large.

Life once existed on Mars, but a series of devastating mass extinctions have made present-day life nearly impossible. The latest science shows how Martian life keeps bouncing back…

We've all heard of the Death Star but the universe has its own gallery of killer stars worthy of any sci-fi film. From assassin supernovas that vaporize planets…

The New Horizons probe sped past the dwarf planet Pluto in 2015 and captured the first-ever closeup images of the mysterious world. While scientists expected the planet to…

Dark matter is one of the greatest mysteries of the universe facing scientists today. Could it be the cause of supermassive black holes and mass extinctions?

Astronomers have discovered strange new planets that amaze the world of science over and over again. These new planets could not be more different from our own planet.…

A mysterious ninth planet lurks in the outer reaches of our solar system and it’s a giant -- ten times the mass of the Earth, in fact! Astronomers…

The Universe is a violent and dangerous place. From exploding stars and colliding galaxies to nebula shockwaves - what are the worst places in the Universe?

Supermassive black holes can devour stars and can even shape galaxies. We're now studying recent black hole collisions and examine how these gigantic mysteries get so large.