What researchers are calling a "Once-in-a-lifetime event," is a nova, or explosion, between two suns 3,000 lightyears away.

Decades of constant X-ray emission from the Helix Nebula’s white dwarf suggest debris from a Jupiter-sized planet steadily rains upon the star.

Baseball season is here, and that means theme nights, giveaways, discounts and more at several Greater Cleveland ballparks. Here’s this season’s first monthly roundup of promotions and events.