Spring arrives officially at 10:46 a.m. Philadelphia time Friday, the instant when the sun beams its most direct light on the ...

Astronomers have detected strange "wobbles" in the light curve of a super bright supernova, hinting that a magnetar was born inside the extreme stellar explosion.

These masked mammals are doing more good in backyards across North America than most people ever stop to notice. Before ...

On the twentieth day of the U.S.-Israel war against Iran, stock exchanges worldwide plummeted on news of an exchange of strikes.

A fiery streak across the sky and a loud boom greeted many residents of northeast Ohio on the morning of March 17. The rare celestial spectacle, which took place a little before 9 A.M. Eastern ...

From romantic gestures involving pebbles to elaborate underwater "crops," the animal kingdom is packed with bizarre rituals.