And in mid-2024, scientists identified five greenhouse gases that they said would be telltale signs of life on any other planet. But the journey of science is also about setbacks.

Claims about the detection of life on other planets go back decades. In the 1970s, one of the scientists working on the Viking mission to Mars claimed that his experiment had indicated there could ...

Are there signs of life on alien planet K2-18b, or is it just a lot of hot air? April 16, 2025 7:02 PM ET. Heard on All Things Considered. Nell ... but there's no other way to put it." ...

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?

Scientists find "strongest evidence yet" of life in space 01:04. Astronomers announced Thursday that they had detected the most promising "hints" of potential life on a planet beyond our solar ...

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being greeted with both enthusiasm and skepticism.

Although astronomers had suspected that there were other worlds around distant stars there had been no proof until that point. Since then, nearly 6,000 planets outside our solar system have been ...

In fact, the life that could be — thriving on a distant ocean-covered planet named K2-18b is likely not intelligent at all. Here's everything to know about the discovery , the exoplanet and the ...

On other planets, it could be what’s called a biosignature—a sign of life. ... And this result is, without a doubt, an invitation to look closer at K2-18b. If we find life there, ...

And in mid-2024, scientists identified five greenhouse gases that they said would be telltale signs of life on any other planet. Advertisement But the journey of science is also about setbacks.

Claims about the detection of life on other planets go back decades. In the 1970s, ... In other words, there's about a 1 in 1,500 chance that this feature is not actually there.

Claims for the detection of life on other planets go back decades. In the 1970s, ... In other words, there’s about a 1 in 1,500 chance that this feature is not actually there.