Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even ...

The transition of a star into a white dwarf can be catastrophic for surrounding planets. The process causes major changes in the star’s mass and radius, destabilizing planetary orbits.

No longer a planet but not forgotten, Pluto’s colors, captured by NASA almost ... Union declared that the faraway orb was a dwarf planet due to its location, known as the Trans-Neptunian region ...

It has a mass about 13 times that of Jupiter, and is thought to have the structure and chemical composition of a giant gas planet, though its true characteristics ... blue colors, and when you ...

To do it, he developed a model that simulated an Earth-like planet orbiting a white dwarf. He modeled the orbiting Earth-like planet as the habitable zone devolved, noting how much energy it ...

A surprising chemical difference between Pluto and Sedna, another dwarf planet in the distant Kuiper Belt, is helping scientists nail down their respective masses, a new study reports. The Kuiper ...