A NASA astronaut aboard the International Space Station has captured a photo of a rare type of upper-atmospheric lightning called a gigantic jet.

The National Hurricane Center on Thursday upped its prediction a system could form off the coast of Florida and develop into the season’s next tropical depression or storm.

The National Hurricane Center increased its odds that a tropical system could develop near Florida late this week or early ...

Flossie has weakened to a tropical storm off Mexico’s southwestern Pacific coast with maximum sustained winds of 60 mph.