Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even ...

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...

Bold claims of ‘biosignature’ molecules trigger an outpouring of scepticism.

Busting myths; how a drop of water changed a girl’s life; a tribe’s respect for fishes; and more: picks from columnist.

K2-18 b is 8.6 times as massive as Earth and has a diameter about 2.6 times as large as our planet. It orbits in the "habitable zone" - a distance where liquid water, a key ingredient for life ...

Astronomers claim they've found the most promising signs of possible life on a planet outside of our solar system.

K2-18 b is 8.6 times as massive as Earth and has a diameter about 2.6 times as large as our planet. It orbits in the "habitable zone" - a distance where liquid water, a key ingredient for life ...

and hydrogen that on Earth has only one known source: ocean algae. The finding suggests that the planet may have oceans of its own that contain life. Astronomers at the University of Cambridge who ...

In The Decline and Fall of the Human Empire, science writer Henry Gee considers how long we’ve got, and how we can extend our ...

The search for life beyond Earth has led scientists ... “It’s the first time humanity has seen potential biosignatures on a habitable planet.” The study was published Wednesday in the ...

On Earth, the chemicals dimethyl sulfide (DMS) and dimethyl disulfide are produced only by life, mostly microscopic ... Webb towards the planet again a year ago, this time using its mid-infrared ...

They found that the abundance of these particular molecules in K2-18b’s atmosphere is thousands of times higher than on Earth. This means that if they confirm that there is life on the planet ...