Some 350 light-years away, the V1298 Tau system features an infant sun-like star, just 23 million years old, orbited by four ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune orbit most stars. Oddly, our sun lacks such a planet. That's been a source ...

Astronomers have made a groundbreaking discovery on November 8, 2025, that challenges previous models of planetary water formation. They have uncovered how certain exoplanets generate their own oceans ...

"For observational astrophysicists, one widely accepted picture of planet formation was likely too simplified." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their atmospheres, ...

Is there a second Earth out there in space? Our knowledge of planetary systems far, far away is increasing constantly, as new technologies continue to sharpen our gaze into space. To date, 3,700 ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between five and 18, plus hundreds of potentially undiscovered ones, depending on whom ...