Electronic waste is a big problem, but new circuits that can be recycled repeatedly could help change things.

"...our view is that animals, like humans, can make hypotheses and they can test them and may use higher cognitive processes to do it."

"...when it comes to understanding memory, there's a lot to be discovered about how it actually works," Fernanda Morales-Calva says.

Engineered bacteria could pave the way "renewable chemicals to be produced that do not burden the environment," researchers say.

Early-life trauma can cut short the lives of red squirrels in the Yukon. But "food booms" can help boost their resilience to adversity.

A giant prehistoric salmon, the largest to ever exist, had spiky tusk-like teeth that protruded straight out of the side of its skull.

Previously unknown aerodynamic interactions shed light on how birds fly in such a coordinated and seemingly effortless fashion.

An "electronic tongue" successfully identified signs of white wine going bad weeks before human experts did.

For the first time in more than 200 years, two broods of cicadas will emerge from the ground at the same time. Here's what you should know.

Researchers have created what they say is the highest-quality reference genome to date of the world's most popular coffee species, Arabica.