Some scientists want to shift focus to the teen mental health crisis. But the course of happiness is too complex for simplistic theories, experts warn.

New experiments show that an app developed by researchers can boost snoozing users’ likelihood of knowing when they are having a dream.

A 3-D map of the strange remains of a supernova seen in 1181 traces the odd tendrils of gas that jut out for several light-years in all directions.

Editor in chief Nancy Shute discusses efforts of Indigenous people in British Columbia to preserve ancient trails.

Stonehenge’s central stone, known as the Altar Stone, may have had Scottish and not Welsh origins, researchers say. The finding suggests that Late Neolithic ...

Swine can act as so-called “mixing vessels” for human and bird flus, giving avian viruses an opportunity to adapt for spreading in people.

The black hole’s mass is over half that of all the stars in the surrounding galaxy, a record for any galaxy hosting a quasar.

A well-timed smile could be the ultimate speed-dating hack. Smiles enhanced by artificial intelligence during video chats led to higher romantic attraction, researchers report October 28 in ...

Tweaking the chemical composition of a parrot-specific pigment can shift feathers from red to yellow or green.

New finds in the Finding Fluorescence site include a Japanese beetle with a glowing blue mouth and a mushroom that gleamed bright red under its cap.

The occasional sweet treat likely won’t ruin your health. But too much added sugar at a young age could increase the risk of health complications later in life. Limiting added sugars during the first ...

In addition to studying the world’s only nonmigratory blue whales, marine biologist Asha de Vos seeks to change her compatriots’ attitudes toward the ocean.