Washington, DC— Our galaxy’s most abundant type of planet could be rich in liquid water due to formative interactions between ...

Four hundred light-years away, a world twice the size of Jupiter glows like a forge. Now, thanks to the James Webb Space ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

Tests on olivine hint that water-rich exoplanets could generate H2O internally, possibly explaining ocean worlds and even some of Earth’s early water.

“If you build a map at a wavelength that water absorbs, you’ll see the water deck in the atmosphere, whereas a wavelength ...

A chemical "anomaly" revealed through an analysis of meteorites may have led to finding the first existing evidence of "proto ...

2024 may have been Earth's hottest year in at least 125,000 years, according to a grim climate report published Wednesday (Oct. 29) that describes our world as "on the brink" and warns its "vital ...

In “Citizen Science in Astronomy (Part 7),” SETI Institute astronomers Dr. Franck Marchis and Dr. Lauren Sgro highlight two rare and compelling discoveries and the crucial role of citizen scientists ...

The study revealed that TOI-2267 has two closely bound stars orbiting each other, and the third planet transits the companion ...

The discovery of the Kuiper Belt fundamentally reshaped our understanding of the solar system's architecture and population, revealing a far larger and more complex system than previously imagined.