Scientists are seeking to understand why and how to mop up excess precipitation.
Snared in sticky webs and subdued by poison, even venomous snakes can become a spider’s soup.
Urchins are important herbivores — but not strict vegetarians. When hungry enough, they may even rip apart their predators for lunch.
A sweeping survey of land-based ecosystems finds that very few still support all the animals they used to. Reintroducing lost species could help.
A new study estimates that invasive species have cost the world more than $1 trillion since 1970. That’s almost certainly an underestimate.
Scientists digging into the remnants of an ancient watering hole in Nebraska discovered evidence of an Africa-like savanna, complete with rhinos.
Some 95 percent of kelp forests along its northern coast are gone. Meanwhile, sea otters are helping slow the loss of surviving kelp farther south.
When scientists and Indigenous people work together, their efforts can benefit bears and people.
If you see a bear, check size, shape and more to find out what type it is.