Scientists are intrigued after spotting a highly unusual celestial object lurking at the very edge of our solar system. It's ...

A new member of the solar system has been detected, the second-largest of its kind, suggesting there may be more like it ...

There’s a new object in the distant reaches of our solar system, and it might just offer clues to a long-standing cosmic ...

Astronomers have discovered a mysterious dwarf planet, 2017 OF201, far beyond Pluto. This discovery challenges existing ...

According to astronomers, the last time this planet came close to the Sun was in 1930. In the same year, Pluto was discovered ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

Astronomers find evidence of a possible ninth planet beyond Neptune, reigniting the debate about the formation of the Solar ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

Mar. 17, 2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ... Webb Telescope Captures Its ...

Astronomers may have found a new candidate for the role of the ninth planet in the solar system.

Astronomers have discovered that the Jupiter, the largest planet in our Solar System, was once so big that it could have held ...