For lovers of newly identified space objects, July has indeed been an exciting month. Last week, astronomers described ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

Harvard & Smithsonian has discovered a rare object far beyond Neptune, from a class known as trans-Neptunian objects, th ...

In a cosmic first, scientists watched planet-forming materials begin to solidify around a newborn star, offering a peek into ...

In the dark, icy outskirts of our solar system—far beyond Neptune's orbit—astronomers have discovered a cosmic oddball that ...

An oddly tilted object beyond Neptune moves in perfect sync, one orbit for every ten of Neptune’s, and scientists are ...

Astronomers have made an extraordinary discovery at the outer edge of our solar system—a strange space rock that dances in ...

Astronomers have discovered an object at the edge of the solar system that is locked in a strange rhythmic dance with the ice ...

There are a lot of worlds beyond the orbit of Neptune. Some are dwarf planets, while many others are much smaller rocks ...

The discovery, published in The Planetary Science Journal, was made through the Large inclination Distant Objects (LiDO) ...

REx sample return capsule contained rock from the asteroid Bennu. NASA/Keegan Barber Mary Magnuson, Collecting asteroid ...