Astronomers have uncovered evidence of a rare second-generation planet orbiting a dead star, suggesting new worlds can form ...

Way back in 1999, NASA's Hubble telescope gathered data from a white dwarf star codenamed HS 0209+0832 with 100 chemical ...

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

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

The unpainted models of Haumea and Makemake, with a hand for size comparison. The dwarf planets models are slightly smaller than a quarter. Credit: Cameron Levasseur / The County Ever since the ...

Astronomers have identified potential evidence of a second-generation planet formed from the remnants of a white dwarf star, ...

Scientists discover superhabitable planets orbiting K-dwarf stars that offer better conditions for life than Earth.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers found that a 3-billion-year-old white dwarf, LSPM J0207+3331, is still feasting on the metal-rich remains of a ...

Add Yahoo as a preferred source to see more of our stories on Google. New NASA research hints that Ceres — the closest dwarf planet to Earth — may have once had an ancient "power source" that could ...