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.

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

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

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

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

A study in Uganda shows how often chimps use medicinal plants and other forms of health care — and what that says about the roots of human medicine.

An overlooked Antarctic water system could raise sea levels by more than 2 meters by 2300, computer simulations show.

Oddly shaped deposits of tree resin point to massive waves that struck northern Japan roughly 115 million years ago and swept a forest into the sea.

A new study is among the first to look at whether cold or hot soaks help women’s muscles rebound from extreme exercise.