A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

In a thrilling development that challenges long-held assumptions about the outer reaches of our solar system, astronomers ...

Astronomers have identified a new trans-Neptunian object, 2017 OF201, located far beyond Pluto. Its enormous size, comparable to dwarf planets, and hi ...

Astronomers have found a new minor planet beyond Pluto. This object, named 2017 OF201, is quite large. It orbits far from the ...

Astronomers may be close to identifying a mysterious object in our solar system. New research points to a potential candidate ...

Jupiter, roughly 562 million miles from Earth today, has nearly 100 moons. But Batygin and his collaborator Fred Adams' research focused on two of the smaller ones, Amalthea and Thebe. Both are inside ...

NASA has found a frozen sphere 13.8 times the mass of Jupiter in a forbidden zone in space where planets aren't supposed to ...

Despite a huge media fanfare in which Colossal Biosciences claimed to have resurrected the extinct dire wolf, the company's chief scientist now concedes that the animals are merely modified grey wolve ...

NASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest and most intriguing rocks on the Red Planet.