NASA astronaut Don Pettit got this gorgeous video of the Northern Lights from an unusual vantage point -- skimming above the ...

Earth’s magnetic field, generated by movements within its molten iron core, serves as a protective shield against solar winds ...

The new moon of January will be at 7:36 a.m. Eastern Time on Jan. 29, according to the U.S. Naval Observatory, and two days ...

Little wonder the poles can seem timeless, places of desolate beauty – tundra and rock in the north, and wind and ice in the ...