As the Texas measles outbreak grows and HHS head RFK Jr. puts vaccines under new scrutiny, two experts answer questions about the public health tool.

Editor in chief Nancy Shute discusses the challenges communities face after the January wildfires in Los Angeles.

By squirting chemicals onto a person’s tongue to taste, a new device aims to replicate food flavors for fuller virtual experiences.

Reader Jayant Bhalerao, a college physics instructor, found the story useful in class: “We will share it with our students, so that they can appreciate how ...

Mars may once have held enough water to fill oceans and form coastlines. The planet’s red dust contains water and likely formed in cold conditions.

The triple star system is sending comets, asteroids and meteors our way, and the number of interstellar objects entering the solar system will rise.

New brain-inspired hardware, architectures and algorithms could lead to more efficient, more capable forms of AI.

A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

Thousands of probationary federal employees received termination notices. Many were doing crucial work at science-related agencies.

Using fungi in biohybrid robots is still “pretty new,” Mishra says. His team now hopes to test how such tech responds to other cues, such as gases. One way their robots’ sen­sory superpowers might ...

Some scholars argue that efforts to equalize the time men and women spend on housework has stalled. An analysis reveals slow progress.

Archaeologists uncovered a fossilized skull of an ancient sharp-toothed predator that likely hunted early elephants and primates.