A team of astronomers has made a groundbreaking discovery by detecting molecular activity in comet C/2014 UN271 ...

Scientists believe a huge bubble surrounds our solar system, called the Oort Cloud. The huge bubble is the farthest region of ...

OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is ...

Astronomers have uncovered a distant celestial body that may be a new dwarf planet, orbiting the Sun from more than twice the distance of Pluto. Found by researchers at the Institute for Advanced ...