No matter how many missions to Mars she takes part in, the sheer joy of unearthing discoveries about the Red Planet never ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

NASA's remarkable new sample from Mars will help scientists get a better understanding of the planet's history and whether it ...

Get ready for a parade of planets this winter. During the month of January, sky gazers will be able to see four planets in one view — and come February, the parade will only expand. NASA says ...

The remaining dust and gas form a protoplanetary disk that encircles the new star, which slowly accretes to form systems of planets. For the past decade, astronomers have relied on the Atacama ...