Massive object passing through solar system is a better explanation for nature of orbits of Jupiter, Saturn and Neptune ...

Since the formation of the Solar System, the orbits of the planets have evolved and changed over time. While one of the most prominent ideas in the last few decades is planetary migrations and the ...

The moderate tilts and slightly elongated paths of these planets — long considered a mystery — could be the result of a ...

Pluto has had a tough couple of decades. Formerly the ninth planet in our solar system, Pluto was demoted in 2006 to a “dwarf ...

The asteroid belt is messy and sometimes a threat to our solar system’s planets, so on this episode of Dead Planets Society it’s time to tidy it up into a single asteroid world ...

In January and February 2025, a six-planet alignment will grace the night sky, offering a celestial spectacle for skywatchers ...

"If trying to explain how three super puffs formed in one system wasn’t challenging enough, now we have to explain a fourth ...

A planetary parade is set to be visible in the night sky for the start of the new year -- and this one will bring with it a ...

Jane Huang, an assistant professor of astronomy, grew up in Chicago, but has no strong feelings on whether New York or her ...

The strange blend of surface chemistry on Nix and Hydra raises big question about the evolution of the Pluto system.

New exhibit to replace Greenbelt Planet Walk with a new trail through Julia Davis Park — but this time, with one less member ...

In the next decade, researchers will start probing the atmosphere of planets as small as Earth and Venus orbiting nearby stars. But although these two solar system planets are similar in size and ...