For months, scientists have been racing to figure out what’s ailing and killing dozens of fish species, and to save the critically endangered smalltooth sawfish.
Photos taken from all over the world show bright-colored skies across Europe, New Zealand and in the U.S., where it was visible farther south than usual.
A new analysis of years of vocalizations by sperm whales in the eastern Caribbean has found that their system of communication is more sophisticated than previously known.
The legislation — the first of its kind in the U.S. — would require companies with high emissions to help pay for destruction caused by climate-fueled extreme weather.
A mosquito species that targets humans has moved into Southern California. Officials are sending out lab-raised, irradiated mosquitoes in bid to fight them.