Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...

Edward Burrier chuckled as he told his colleagues what he thought about an academic paper written by a prominent U.S. climate scientist.

"We report the discovery of one of the most distant galaxies known to date," astrophysicist Joris Witstok told Newsweek.

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.