Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just ...

Scientists have identified an unexpected way to study the hidden space weather of distant stars by observing strange, ...

NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

An illustration shows what exoplanet K2-18b might look like based on data from NASA's James Webb Space Telescope. K2-18b is 8.6 times as massive as Earth, orbits the cool dwarf star K2-18 in the ...

An ocean world that's teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...

"It was just a matter of time before we found them." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Thirty years ago, on Oct. 6, 1995, the very ...

The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens flying around in saucer-shaped spacecraft. In fact, the life that could be – emphasis ...

Finding alien life won’t be as dramatic as a flying saucer landing on the White House lawn – it’ll be NASA scientists holding a press conference to excitedly show off a chart that’s incomprehensible ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...