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

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

Scientists discover 26 new bacterial species in NASA cleanrooms, revealing surprisingly resilient microbes with potential ...

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

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

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

The Terra Hunting Experiment will track the wobbles of dozens of stars nightly for years in the most focused hunt yet for an Earth twin.

The same personalized algorithms that deliver online content based on your previous choices on social media sites like YouTube also impair learning, a new study suggests. Researchers found that when ...

Science fiction has long speculated about the possibility of first contact with an alien species from a distant world and how we might be able to communicate with them. But what if we simply don’t ...

Picture, if you will, a monster so powerful and so unpredictable that everyone around him lives in a constant state of fear. Oh, I should mention: This monster is a young man. He’s also a genius and a ...

Here’s what you’ll learn when you read this story: Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the ...