As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

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

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...

Tech companies are claiming machines more intelligent than us and capable of having their own agendas are just around 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, ...