Named Kohoutek 4-55, the nebula was captured by the Hubble Space Telescope. Planetary nebulae like Kohoutek 4-55 are the ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Stock image: An illustration of a white dwarf star in space. Stock image: An illustration of a white dwarf star in space. iStock / Getty Images Plus These unique white dwarfs exhibit different ...

That makes dwarf irregulars good proxies for studying galaxies in the infant cosmos. Breaking space news, the latest updates on rocket launches, skywatching events and more! Altogether ...

Astronomers have spotted two huge white dwarf stars which they say are destined ... This means that although the stars are relatively close in space terms, they're still very very far away!

A surprising chemical difference between Pluto and Sedna, another dwarf planet in the distant ... studies carried out by the James Webb Space Telescope (JWST) found that Pluto contains both ...