Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Alien life on a new planet “may not have DNA like humans but might walk on two legs”, experts have revealed. It follows the discovery of an extraterrestrial world around 120 light years away from ...

This illustration shows what exoplanet K2-18b could look like based on science data. (Illustration: NASA, ESA, CSA, Joseph Olmsted (STScI)) A team of researchers published a study on April 17 that ...

Could alien life be hiding just 120 light-years away? That’s the question raised by a new study led by Professor Nikku Madhusudhan of the University of Cambridge’s Institute of Astronomy. Published on ...

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

Did NASA discover city lights on an alien planet? This video explores the implications and details of the findings that ...

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 ...

Detective astronomers have discovered at least one unseen alien planet, and possibly another, around a distant star by observing the odd behavior of a planet already known to orbit the same star. The ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...

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