These linkups happen when several planets appear to line up in the night sky at once. Such parades are fairly common, ...

But it’s not just looks. Rocky composition, general size, orbital behaviors—a lot of those qualities can be the same on both ...

How do tidal forces shape a planet's orbital evolution, especially for those in the habitable zone? A recently submitted ...

Without other planets or the Moon, Earth would lose tides, gravity stability, and the conditions necessary for life.

Get ready for the rare 'planet parade' on August 25, 2025! Six planets, Saturn, Jupiter, Venus, Mercury, Uranus, and Neptune, ...

Researchers suggest gas giants might gather dark matter until their cores collapse into planet-sized black holes.

Researchers at the University of Minnesota Twin Cities have made a new discovery by observing and analyzing the first new ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

Half a dozen planets - Mercury, Venus, Jupiter, Saturn, Uranus and Neptune - will put on a dazzling display in the sky on ...

Stargazers are excited as a rare planet parade is expected to happen this weekend bringing some of the main characters of our ...

Researchers at the University of Colorado Boulder are helping to lead planning efforts for NASA’s next major space telescope ...

Imagine a civilization so advanced that it can harness the energy of an entire galaxy, manipulate gravity, and explore ...