Pea-size clusters of human cells called brain organoids inspire both hope and fear. Experts are debating how scientists can ...

A light, imaginative look at how extraterrestrial observers might interpret car haulers and what these vehicles reveal about human technology and transport.

As a rocket revolution sets the stage for astronauts to explore Mars, advances in bioengineering could help them survive the ...

A photon was apparently detected in two places at once in a twist on the classic double-slit experiment, but many physicists ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

A quiet confession from Zosia exposes how the Others crossed Carol’s boundaries, turning a fragile romance into a catalyst ...

Scientists have developed an experimental way to study how human embryos implant in a uterus, which may provide new insights into why miscarriages occur and how they can be prevented.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Officials revealed that an alleged human smuggling operation involving over a dozen individuals has been uncovered inside a Texas home. Authorities with the Texas Department of Public Safety and ...

On Jan. 9, 1800, a strange boy wandered out of the woods and into the small village of Saint-Sernin in the South of France. Clad only in the torn remnants of a shirt, he appeared wholly untutored, ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...