When checking out Uranus, scientists discovered something exciting: that the planet appears to have a long-term girlfriend.

The other object is 2014 NX 65, which is definitely not resonant with Uranus but might have an inner 3:2 resonance with ...

Chariklo, a Minor Planet Nicknamed a “Centaur,” Discovered to Have Rings. Put a Ring on It. Chariklo was discovered in 1997, but astronomers recently discovered its two rings.

In a surprising cosmic revelation, Uranus is found to be engaged in a unique orbital dance with a Centaur named 2015 OU₁₉₄.

Astronomers have spotted possible rings around the minor planet Chiron, suggesting that ring systems may be more common throughout the solar system than scientists had previously thought. A team ...

Melancholia, the movie's newly discovered planet, isn't just a story teller's vision of heavenly menace, a vaster version of the centaur. The name isn’t accidental.

If the planet turns out to be real and gets confirmed, its maximum separation will take it approximately 1 arc-second (1/3600th of a degree) away from Proxima Centauri at its farthest, ...

Finding Proxima b is a baby step. It has taken 20 years to go from finding any planet to finding potentially habitable planets. My hope is that in another 20 years technology advances to the point ...

3.6 million: The distance, in miles, at which the planet orbits its parent star Alpha Centauri B.This is much closer to the star than Mercury is to our sun. Earth is 93 million miles from the sun. ...

Melancholia, the movie's newly discovered planet, isn't just a story teller's vision of heavenly menace, a vaster version of the centaur. The name isn’t accidental.