NASA astronaut Don Pettit has snapped a striking shot of the super-bright comet racing past our planet for the first time in ...

A new study has revealed the alarming extent glaciers have shrunk over the past 40 years in a global warming hotspot for the ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

In a recently published paper, NASA scientists use nearly 20 years of observations to show that the global water cycle is ...

New measurements show that the expansion rate of the universe is faster than can be explained by our current understanding of ...

At Argonne National Laboratory, scientists have leveraged the Frontier supercomputer to create an unprecedented simulation of the universe, encompassing a span of 10 billion light years and ...