New Zealand lock Patrick Tuipulotu has been ruled out of the Northern Hemisphere tour with the shoulder injury that plagued ...

Have the southern hemisphere unions stolen another march on their northern counterparts by nailing down a new five-year ...

Experts say cleaner air, melting Arctic ice and subtle changes in cloud formation are behind the shift.View on euronews ...

Residents of several northern U.S. states could have the opportunity to see the dazzling northern lights tonight. Here's what ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere.

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail ...

The headquarters of Army North and Army South, both now at Fort Sam Houston, will be merged into a new Western Hemisphere ...

In a precursor to what we might expect in the coming flu season in the United States and across the Northern Hemisphere, a ...

Here's what happens as the direct rays of the sun slip south of the equator as the seasons change.

SAN ANTONIO - The U.S. Army's decision to merge Army North and Army South commands, both based in San Antonio, into the new ...

If the supermoon wasn’t enough, October is treating skygazers to another celestial delight – the peak of the Orionid meteor ...