Astronomers have long believed that “water worlds,” planets rich in water and ice, were among the most common in our universe. This view has shaped much of our understanding of planetary formation and ...

Webb Telescope finds crystalline water ice around star HD 181327. This discovery could reveal how icy bodies contribute to ...

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

Some planets might produce their own water instead of relying on outside sources. In laboratory experiments, researchers simulated extreme conditions found within certain exoplanets by blasting ...

"It represents a major step forward in how we think about the search for distant worlds capable of hosting life." When you purchase through links on our site, we may earn an affiliate commission. Here ...

Scientists hunting for life beyond Earth have long thought that water is one of the key indicators. But a group of experts ...

A new study challenges the dream of water-rich “Hycean” planets like K2-18b, suggesting that most sub-Neptunes lose their water deep into their interiors during formation. Instead of vast oceans, ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists are observing an Earth-like exoplanet that may contain water using NASA's James Webb Space Telescope, the space agency ...

The wonders of life on Earth are endless, but all that may never have come to pass were it not for the planet having the perfect amount of oxygen at birth.

An exoplanet orbiting a dwarf star 124 light-years from Earth made headlines around the world in April 2025. Researchers at the University of Cambridge reported that planet K2-18b could be a marine ...

Researchers have discovered more than 6,000 exoplanets in our Milky Way. Of these, the sub-Neptune class, which are smaller than Neptune and more massive than Earth, are the most common. These planets ...