The history of the rocket stretches back far longer than most people realize. Long before spaceflight, early civilizations ...

Another strong cold front is headed straight for Texas as a polar vortex continues to send arctic blasts spinning off across ...

This new NASA Hubble Space Telescope image captures a jet of gas from a forming star shooting across the dark expanse. The ...

It's the last clearly observed supernova in the Milky Way, Gassel said.

A powerful arctic blast is on track to impact over 200 million Americans, bringing temperatures even lower than the last wave. Over 30 record lows could fall across 15 states later this week, as many ...