Over 15 months on Jicarón Island, researchers saw five capuchin juveniles abduct 11 endangered howler monkey infants — all for no clear purpose.

Kanzi showed apes have the capacity for language, but in recent years scientists have questioned the ethics of ape experiments.

This assassin bug's ability to use a tool — bees’ resin — could shed light on how the ability evolved in other animals.

Not all plants can be stored in a seed bank. Cryopreservation offers an alternative, but critics question whether this form of conservation will work.

A faint yet visible Martian aurora is the first instance of the phenomenon spotted from another planet's surface.

Private listening out in the open is possible thanks to acoustic metasurfaces that precisely bend and direct sound waves.

Between the end of February and early April, the federal government terminated almost 700 NIH grants equaling $1.81 billion. That’s about 3.3 percent of the NIH’s total operating budget, the ...

The Salmon Cannon and the Levitating Frog contends that curiosity-driven research helps us understand the world and could lead to unexpected benefits.

Water drops produce electricity when dripped through a small tube. That power might be harnessed as renewable energy in rainy places.

Two preventive tools — a maternal vaccine and a monoclonal antibody — were tied to a recent drop in RSV hospitalization rates for U.S. babies.

The diabetes and weight loss drug semaglutide reversed liver scarring and inflammation. It’s among several drugs in the works for the condition MASH.

Shape and symmetry help determine where a leaf lands — and if the tree it came from can recoup the leaf’s carbon as it decomposes.