Astronomers find evidence of a possible ninth planet beyond Neptune, reigniting the debate about the formation of the Solar ...

In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and ...

Planets with unusually wide orbits may be normal by-products of the formation of planetary systems. This is suggested by new simulations.

Astronomers may be close to identifying a mysterious object in our solar system. New research points to a potential candidate ...

NASA's JWST has uncovered solid water ice in a distant star system, reshaping our understanding of life's building blocks and ...

Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the ...

Of the roughly 6,000 exoplanets we’ve discovered, a significant number are in the apparent habitable zones of their stars.

Apr. 15, 2025 — A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and ... common types of planets outside of our solar system, according to a new ...

First unveiled in 2017, LHS 1140 b is 41 light-years away, and may be humanity’s best chance of finding liquid water on a ...

THERE are planets beyond our own that could be hiding untouched paradises.  Exoplanet LHS 1140 b is just one of them – and ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

The lone planet confirmed to be in the system is squeezed in between the two, orbiting at a distance similar to Earth's ...