The finding comes with significant new suggestions about the solar system ...

"Io represented a big mystery because its surface doesn't hold a record of its history the way that the surfaces of less active moons do." When you purchase through links on our site, we may earn an ...

Pluto was believed to be the only body beyond Neptune with an atmosphere. Now, a new discovery in our solar system is ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...

Oort Cloud comet: C/2025 R3 PANSTARRS, visible for a limited time, will not return for 170,000 years, offering a unique view of ancient solar system material. Atmosphere discovery: Trans-Neptunian ...

Astronomers have discovered a thin atmosphere around a small celestial body in the outer solar system for the first time, ...

A team of professional and amateur Japanese astronomers found evidence for a thin atmosphere around a small body in the outer ...

In the distant space out beyond the orbit of Jupiter lurks a strange object. Its name is Chiron, a type of outer Solar System body known as a centaur. But even among its fellow centaurs, Chiron is ...

The atmosphere is between 5 million and 10 million times thinner than Earth's atmosphere. A very small body, far from the sun ...

A thin atmosphere has been found to exist on one of thousands of trans-Neptunian objects, or TNOs, small celestial bodies outside Neptune, the outermost planet in the solar system, a research team inc ...