James Turrell discusses his ongoing land art piece, Roden Crater, created within a pit formed by an extinct volcano in the Arizona desert. ART21: Where are we, right now? TURRELL: Well, right now ...

The crater's unique shape, resembling a giant stingray (Myliobatoidei), has earned it the ominous nickname "Gateway to Hell." ...

But a second asteroid struck during that same era at the Nadir crater off the coast of Guinea in western Africa -- proving once and for all that nature really had it in for the poor dinos.

Kids watching "Bluey," "SpongeBob Squarepants" and "Paw Patrol" (Chris Smith/TheWrap) For decades, the act of watching kids TV was by appointment only. The networks dictated what was shown and ...