Winter is approaching, and millions of Americans are wondering what Mother Nature has in store for the coming months. Will it ...

The Sentine-6B satellite has successfully reached orbit and will fly alongside its predecessor Sentinel-6 for a year to ...

The Sentinel-6B is the second of two satellites in a $1 billion program to monitor sea levels over a full decade.

The carcass of a sperm whale washed ashore on Nantucket, prompting recovery operations Sunday by officials and wildlife groups, according to a local nonprofit.

A spectacular Northern Lights show is forecast for Sunday across northern US states. A solar event is expected to make the aurora visible further south than usual. Viewers should look north towards ...

Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to ...

The northern lights could be visible from states along the U.S.-Canadian border on Sunday night, forecasters at the National ...