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 ...

Data suggests K2-18b is a "world with an ocean that is teeming with life," said study lead author Nikku Madhusudhan, an astrophysicist at the University of Cambridge in England. A whopping 8.6 times ...

Scientists from the University of Cambridge announced this week what they believe is the strongest evidence so far of extraterrestrial life. The place in question is not within our solar system, but ...

Astronomers are nearing a statistically significant finding that could confirm the potential signs of life detected on the distant exoplanet K2-18b are no accident. The team of astronomers, led by the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A team of ...

Recently, a group of scientists claimed they found possible signs of life on a planet called K2-18b. The news made headlines. Researchers said they'd detected sulphur-based gases that, on Earth, are ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A tiny sign ...

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 ...

Scientists say they may have detected signs of biological activity on a planet outside our solar system, in what some describe as the "strongest evidence" so far in the ongoing search for life beyond ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system. The most likely reason (when combined with other observation) for seeing 1000 times more of ...

Astronomers have discovered that the exoplanet K2-18b, located 124 light years away in the constellation of Leo, may be one of the most promising candidates for life beyond Earth. With a size more ...

K2-18b resides within the habitable zone of its star, making the presence of liquid water and thus life possible. Using the James Webb Space Telescope, researchers detected molecules in K2-18b's ...