Physicists have long believed that black holes explode at the end of their lives, and that such explosions happen—at most—only once every 100,000 years. But new research published in Physical Review ...

Is the universe exploding—expanding swiftly into the uttermost reaches of space? Scientists have been puzzling over the startling speculation ever since the 1920s, when Mount Wilson Astronomers Edwin ...

How did we get here? Where are we going? And how long will it take? These questions are as old as humanity itself, and, if they’ve already been asked by other species elsewhere in the Universe, ...

EVANSTON, Ill. - The famous astronomer Carl Sagan once said that “we are made of star stuff.” A new study suggests that Sagan might have been right. Most of the calcium in the universe likely came ...