The object is about 700 kilometres wide and lies nearly three times farther from Earth than Neptune. Its highly elongated ...

China officially launched its Tianwen-2 mission from the Xichang Satellite Launch Center, marking a major step in its growing ...

A newly identified dwarf planet, named 2017 OF201, has been discovered in the distant outer reaches of the solar system.

Astronomers have just discovered a new celestial body in our solar system that could challenge major space theory. 2017 OF201 ...

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 ...

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

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

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