Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to number four overall.

While NASA was trying to put a man on the moon, the Navy was quietly conducting a series of tests to see if humans could live ...

With the exception of "Editorial use only" photos (which can only be used in editorial projects and can't be modified), the possibilities are limitless. Learn more about royalty-free images or view ...

Planetary defense is a global imperative, of course, but for the time being, NASA — and, by extension, the United States — is ...

For this week’s Infinite Scroll column, Cal Newport is filling in for Kyle Chayka.

It consists of odd letter-like symbols and illustrations, and is unlike any other language in the world. Now, the Indian government is determined to finally decipher the ancient writing system.

Barcode check icon.Vector illustration isolated on white background.Eps 10. Illustration of a man and a woman who are astronauts It is an illustration of a man and a woman who are astronauts.

A team of Palestinian and Israeli directors take a daring approach to the subject. But the Oscar-nominated film could not find a U.S. distributor. By Alissa Wilkinson Kristen Stewart and Steven ...