Jupiter's rapid early growth dramatically reshaped our solar system, scientists now reveal. Its immense gravity acted as a ...

A peculiar interstellar visitor, 3I/ATLAS, is challenging comet theories with its sunward tail and unusual composition. While ...

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 ...

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

The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark ...

Astronomers may be just weeks away from an unprecedented opportunity to learn more about our solar system’s interstellar ...

Blasting around the equators of the solar system's giant planets - Jupiter, Saturn, Uranus and Neptune - are fierce jet ...

A new study explores how eccentric warm Jupiters - giant exoplanets with unusual oval orbits - form, offering clues about the ...

Low clouds matter most for albedo and sunlight reflection. They bounce a lot of sunlight back to space. Last year, low cloud ...

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit ...

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure if the gas is contained within a wispy atmosphere or being ejected into ...