HUNTING for aliens is now a little easier as scientists discover a new sign that gives away life on far-off planets. Importantly, this new signal teases the presence of alien life on distant ...

Until now, scientists have generally thought that planets ... of an Earth-like planet in this region around a star. The team's model focused on two processes: photosynthesis, which plants use ...

Scientists have discovered that at least seven Earth-sized worlds circle ... deeply into the atmospheres of alien planets to try to see if they really could be like our own.

Proctor/J. Pollard A quartet of Earth-like worlds, each about 20% to 30% the size of our planet, circle one of our closest stellar neighbors, a new study reveals. The rocky alien worlds are close ...

Alien life could be hiding in gases ... It would not be possible to see them on Earth-like planets, which are too small and dim to see with the Webb telescope. But other worlds, known as Hycean ...

Scientists have discovered four new Earth-like ... planets are not expected to support life because of their closeness to Barnard's Star, they should be taken into account when searching for alien ...

On Earth, they're mostly produced by bacteria, marine algae, fungi, and some plants ... on these worlds – but alien microbes could "thrive". "Unlike an Earth-like planet, where atmospheric ...