New planet is one of the best ever hopes for seeing alien life, scientists say - Less than 20 light years away, we could soon ...

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

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

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

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

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 ...

NASA’s TESS has uncovered three Earth-sized planets orbiting twin suns, defying long-held beliefs that binary systems are too ...

Earth has breached a critical boundary for ocean acidification, with potentially grim effects for ocean ecosystems and human ...

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.