A surprising new discovery shows that white dwarfs can glow in green, pink, and purple.

Astronomers have documented the first star that appears green to the human eye, a white dwarf called WD J1330+6435 located about 280 light-years ...

In 2006, Pluto was famously demoted from a planet to a dwarf planet. It remains the most famous dwarf planet today, but there are others in our solar system, including potentially hundreds that ...

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

Astronomers identified a green white dwarf 280 light-years away, where sodium-rich planetary debris alters the star's color, ...

Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...

Astronomers watched water clouds grow thicker and thinner on a world trillions of miles away. It's familiar weather in a ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to find it around many of the most common stars in the galaxy. One of the main ...

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

Pluto may be demoted again, as researchers work to properly define dwarf planets. PLUTO’S STATUS MAY TAKE a further hit, say Australian astronomers, if around 50 neighbouring space objects join the ...

Extraterrestrial organisms that use infrared radiation are capable of leaving a unique light trail on other planets.