A humpback whale appeared to swallow then spit out a kayaker in a viral video filmed off the coast of Chile. But was he actually in any danger?

Some whale species evade killer whales by singing at deep frequencies that are “completely undetectable” to the predators, according to a new study. Photo from John Towner, UnSplash Some ...

“But these super loud songs could expose them and their mates to killer whale attack,” Branch said in the release. “And this is where acoustic crypsis (a type of enigmatic behavior for ...