Scientists in the United States are reporting “unprecedented patterns” of surface warming, an ominous sign for coral.

© Jorge Silva/Reuters

Scientists used tree rings to compare last year’s extreme heat with temperatures over the past two millenniums.

© Arpad Benedek/Alamy

Rare handfish population returned to wild after riding out marine heatwave in tank. They've been gently coaxed out of the plastic bag and into the big, bad underwater world where they are exposed to the elements. Now, researchers have big hopes this small group of red handfish will not only survive, but thrive — the species is depending on it.

Ships rolling in the sea. Just for fun.

North Sea More North Sea And More North Sea Maybe avoid the North Sea Cape Horn Antarctica North China Kuril Islands Drake Passage Pacific Ocean Iceland and from the inside (my personal favorite) (Audio recommended, but NSFW - lots of cursing)

As record heat enveloped the nation, the rate of emergency room visits increased compared with the previous five years, a sign of the major health risks of high temperatures.

© Matt York/Associated Press

There have been record temperatures every day for more than a year. Scientists are investigating what’s behind the extraordinary measurements.