NASA discovers unique exoplanet with 'smothering' atmosphere

Mysterious high-speed hydrogen clouds are hovering around the Milky Way

Scientist unveils plan to seed another solar system with life from Earth

Behold the dreamy beauty of Jupiter's clouds

What to see in the night sky in December

Intense solar winds spew from a huge, dark hole in the sun's atmosphere

Meet the longest-serving woman at NASA

Physicist believes vestiges of a previous universe could be floating around in our own

4 things to know about the supermoon

Blazing fireball over Finland turns night into day

Bizarre cigar-shaped asteroid is from another star and unlike anything seen before

NASA reinvents the wheel using chain mail