"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners ...

The Masters of the Universe live-action movie has found its Sorceress and Fisto. See who will be joining the cast that ...

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of what the universe looked like in the moments before it rapidly changed ...

Star formation in the early universe was a vigorous process that created gigantic stars. Called Population III stars, these giants were massive, extremely luminous stars that lived short lives, many ...

When the smaller stars died, they exploded as typical supernovae ... Whether life actually did appear in the universe so early is an unanswered question. There is also the fact that while water ...