Rather than croaking, a newfound frog ( Hyperolius ukaguruensis ) might use the spines on its throat to communicate via sense of touch. Christoph Liedtke By McKenzie Prillaman February 2, 2023 at 2:00 pm A newfound species of frog doesn’t ribbit. In fact, it doesn’t...

Scientists created a new form of ice by shaking 1-centimeter-wide stainless steel balls together with standard ice (shown) at low temperature. The new ice has a density close to commonplace liquid water. Christoph Salzmann By Emily Conover February 2, 2023 at 2:00 pm...

Human footprints (shown) in modern-day New Mexico may be more than 20,000 years old. If so, that would offer some of the best evidence yet that people arrived in North America by the peak of the last ice age. DAVID BUSTOS/NATIONAL PARK SERVICE, BOURNEMOUTH UNIV. By...

A plant’s version of muscles does the lifting and pushing that shuts a Mimosa pudica plant leaf like a book when touched, perhaps as defense against danger. Now scientists are looking at how structural details of the musclelike cells enhance the plant's folding...

Fishers (one shown) in the southern Brazilian city of Laguna work together with dolphins to catch elusive mullet. M. Cantor et a l/ PNAS 2023 By Darren Incorvaia February 3, 2023 at 5:05 pm We’ve all heard that dogs are a man’s best friend, but our canine companions...