An illustration showing a rough size comparison ... provides a new piece of the habitable zone picture, which will ultimately contribute to our characterization of the population of Earth-like planets ...

Apr. 16, 2025 — Astronomers have found a planet that ... Apr. 15, 2025 — A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence ...

At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

"It's like trying to spot a fish by looking for ripples in a pond, rather than trying to see the fish itself." ...

A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...

The discovery of this new, farther-out super Earth is even more significant ... than Earth all the way to the size of Jupiter and beyond shows us that planets, and especially super-Earths, in ...