Our Solar System is home to many unique planetary bodies, including protoplanets and dwarf planets. Here are the unique ...

Anyone who grew up learning that our solar system has nine planets probably remembers the moment Pluto got demoted. That decision back in 2006 wasn't just paperwork. It came from a real, testable set ...

Researchers focused on white dwarf star HS 0209+0832, the core remnant of a low-mass star that burned through its nuclear fuel. They discovered chemical signatures indicating the existence of a second ...

The “second-generation” world, predicted from telescope data, could be the first known planet of its kind, and it may shed ...

Scientists discover unique ‘phoenix’ planet that was born from a dying star - World is made up of pieces of a dying sun, ...

“It’s a chemical signature no ordinary, ‘first-generation’ planet should carry, which told us that this new planet was ...

Planets appear to be common around stars in our home galaxy, the Milky Way. Astronomers have found planets not just for stars like our sun, but also for smaller, cooler red dwarfs and other types of ...

A white dwarf’s unusual chemistry points to a giant planet containing material shed during the star’s death. If confirmed, the system would provide the first evidence of a second-generation planet ...

Astronomers have discovered the first example of a second-generation planet orbiting a white dwarf, a world that appears to ...

New observations reveal that the far-flung object 2014 UZ224 (informally known as DeeDee, for "Distant Dwarf") is about 395 miles (635 kilometers) wide — big enough to claim "dwarf planet" status.

Scientists discovered first-of-its-kind evidence of a possible second-generation planet around a white dwarf star some 270 ...

Scientists detected the very first exoplanets around a pulsar — a type of rapidly rotating dead star — and because pulsars ...