Rows of flaps inspired by bird wing feathers improve airfoil performance by boosting lift, reducing drag and mitigating stall.

Some 6,500 light-years from Earth lurks a zombie star cloaked in long tendrils of hot sulfur. Nobody knows how those tendrils formed. But astronomers now know where they’re going. New observations, ...

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.

If you want to have a dream where you know you’re dreaming, you might be in luck. A phone app seems to boost users’ odds of having lucid dreams. Before bed, the app has users listen to a specific ...

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.

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.

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.

Older adults are at higher risk of suffering health consequences during heat waves. Fans may not do enough to prevent that.

As construction of a pipeline nears, an effort to preserve an Indigenous trail in Canada tests whether heritage management can keep up with advances in archaeology.

California is banning them in schools. The FDA says they’re fine. But synthetic dyes added to food to make them more colorful have a long, troubled history.

Data from the OSIRIS-REx mission to Bennu place a ceiling on the strength of a hypothetical fifth force that could explain dark matter’s origins.