Red squirrel’s speed, hypervigilance and agility help them evade predators such as weasels, pine martens, raptors and fishers ...

Bill shape affects how efficiently a hummingbird feeds and how it competes with other hummingbirds. Because of humans, they ...

If you’ve driven or walked down a street and spotted tree trunks wrapped with sheet metal, you may have been stumped. These reflective, metal cuffs can be seen everywhere from Charlotte to Los Angeles ...

SD: Yeah, so one urban study estimated gray squirrels retrieve about 85 percent of their cached nuts, or, you know, whatever ...

The findings might overturn a widely held belief that only females pose a disease risk to people, though more research is ...

Here we are at the beginning of a new year, and at Crossroads we are looking both forward and back. 2025 was an exciting year for us, and we are ...

The human brain is a fascinating and complex organ that supports numerous sophisticated behaviors and abilities that are ...

Here are 10 major findings about human ancestors and our close ancient relatives that scientists announced in 2025. A handful ...

A mystery that started with the discovery of a pinkie finger bone in Denisova Cave in the Altai Mountains of southern Siberia may finally have been cracked.

Research reveals how natural selection shaped the Bajau sea nomads’ spleens to boost oxygen delivery, helping them dive for ...

The animals at the Dallas and Fort Worth zoos are more than cute — they’re built for survival in surprising ways. From ...

Organoids are bits of neural tissue that model human brain development. Their use in science makes some uneasy, in part because the brain is so closely tied to our sense of self.