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.

TikTok is hardly a model social media platform, but it’s also far from an outlier when it comes to threats to Americans.

Chosen from 16 finalist teams, the MIT-led projects will investigate quantum topological materials and sustainable microchip production.