NASA is sounding a clear alarm about the way SpaceX is reshaping low orbit, warning that the company’s satellite swarms and ...

What does it look like when galaxies collide? The Hubble Telescope captured a unique sight as two galaxies are in the process of merging. NASA says the galaxy, called NGC 1614, is about 200 million ...

NASA scientists are sounding an alarm that would have been unthinkable a decade ago: the same commercial satellite ...

For decades, astronomers have said of our Milky Way galaxy is headed for an inevitable, head-on collision with its colossal neighbor, Andromeda, in approximately 4.5 billion years. This collision, ...

A new image from NASA's Hubble telescope shows spiral galaxy ESO 137-001 slamming through the Norma Cluster, spewing streams of gas in a fiery collision, and it's providing excellent fodder for ...