Rather than forming from an ancient collision between Earth and another planet, the moon may have been snatched from another ...

The centaur, which is a frozen body orbiting the sun between Jupiter and Neptune, is a relic of the solar system's birth.

An asteroid discovered in 2019’s orbit has been mapped, revealing it as a Trojan of Saturn, meaning an object with the same ...

Centaurs are former trans-Neptunian objects that have been moved inside Neptune's orbit by subtle gravitational influences of ...

Scientists revealed unexpected outgassing from this object galloping across the outer solar system. Similar to the Ancient ...

A team of international astronomers has discovered a new super-Neptune exoplanet, named TOI-5005 b, orbiting a star similar ...

Researchers from Warwick and other universities examined Neptunian exoplanets -- these planets share similar characteristics to our own Neptune, but orbit outside of our solar system. Scientists ...

Saturn is known for its stunning rings and its many moons (four seen here), but they aren’t the planet’s only companions. Its first known Trojan — an asteroid that shares the planet’s orbit around the ...

And it very nearly did not happen. That's the story I want to tell here.

Neptune’s Tides. McCord’s calculations seem to support what other scientists have suspected. Long ago, as it sank from a higher orbit, Triton passed close to Nereid. The smaller moon ...

Neptune reaches opposition today at 8 P.M. EDT ... But while Io is in the portion of its orbit that carries it in front of the planet from our point of view, Europa is on the other side of its ...

Regular flights in the space balloon is expected to begin in 2026. Space Perspective is already accepting deposits for the ...