When the polar vortex stretches, North America feels the chill. New research reveals some of the stratospheric patterns controlling these cold snaps.

With temperatures rising worldwide, scientists warn that staging the World Cup and other soccer tournaments in the Northern ...

Searing temperatures are breaking records, disrupting everyday life and costing lives as average global temperatures continue ...

One of the best meteor showers visible to the naked eye has begun in the northern hemisphere, with large fireballs and long wakes of light across the sky able to be seen. The ...

Between July 18 and Aug. 12, you can see the Southern Delta Aquariids shower in the Northern Hemisphere by looking to the ...

Dennis Lehtonen documents pair of icebergs that slid into Innaarsuit, Greenland, dwarfing the fishing village's modest wooden ...

Dubbed the "best meteor shower of the year" by NASA, the Perseids are about to appear over Australia tonight - here's how to ...

An all-improved, compact star tracker within an affordable price bracket. The iOptron SkyTracker Pro's new and improved polar ...

The snow petrel, a strikingly white bird with black eyes and a black bill, is one of only three bird species ever observed at ...

Put down your beach volleyball and take off your Crocs, summer fans, as this year your favorite season will be a little bit ...

Summer is one of the best times to see a meteor shower. Here's why.

The rash of global heat waves across the Northern Hemisphere comes as average global temperatures continue to climb, driven ...