A rapidly growing sunspot has fired off at least 18 M-class and three X-class flares in just 24 hours, including an intense ...

The big winter (and popular) topic is dusted off very early this season as frigid air plunges south next weekend. But what is ...

The Antarctic ozone hole usually starts forming in early August, but rare warming events and a strangely elongated polar vortex this year may have delayed its arrival. When you purchase through links ...

Sudden and rare warming events in Antarctica may have delayed the arrival of the ozone hole that appears above the frozen continent every year, scientists say. These warming events likely impacted a ...