Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they ...

While the world of astrology is abuzz with the apparent movement of the dwarf planet Pluto, I want to talk about Andromeda, ...

Gravity has shaped our cosmos. Its attractive influence turned tiny differences in the amount of matter present in the early ...

The Northern Taurid meteor shower is expected to peak Monday night into Tuesday. Here’s what to look for and how to see it.

I assumed it was a very strange kind of cloud." It's not every day you get to watch a rocket launch into a sky glowing with ...

Roughly 400,000 years after the Big Bang, the universe cooled just enough to allow photons to escape from the primordial ...

November's Beaver Moon will appear in the sky next to the gorgeous Pleiades star cluster, also known as the "Seven Sisters." ...

Written by the former chief historian of NASA, the book examines the evolution of our cosmic understanding—from early civilizations to the present day ...

There are monstrous objects at the heart of every large galaxy — black holes that are millions or even billions of times more ...