Astronomers may have discovered the first exomoon outside our Solar System, challenging the definitions of planets and moons ...

"This is the first time we've been able to confirm that water clouds are becoming thinner and thicker on a nearby world." ...

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

Solar System Travel Book".As the title suggests, it is a book that guides you around the solar system as a "travel ...

A new discovery in the outer reaches of the solar system could expand the small group of officially recognized dwarf planets.

Learn what makes a dwarf planet, which worlds beyond Neptune are officially recognized, and why distant objects like Quaoar remain candidates.

The Vera C. Rubin Observatory has found what might be a new dwarf planet in our solar system, orbiting the sun on an inclined plane past Pluto.

Two zombie exoplanets that rose from the grave to shuffle through the gory remains of their fellow planets may just agree ...

The Vera Rubin Observatory has detected a possible new dwarf planet orbiting the Sun beyond Neptune, marking a potentially ...

Astronomers using the Vera C. Rubin Telescope discovered a possible new dwarf planet that, if confirmed, could join 5 others ...

Astronomers have discovered a new dwarf planet candidate in the Solar System, named 2026 ED138, which could be the largest in ...

Rubin Observatory has spotted a distant world beyond Pluto as its decade-long survey begins revealing the hidden solar system ...