Planetary nebulae form when red giant stars expel their outermost layers as they run out of helium fuel—becoming hot, dense white dwarf stars that are roughly the size of Earth. The material that was ...

The Butterfly Nebula is changing, and astronomers are puzzled as to why these changes are occurring. Observations of this planetary nebula show dramatic changes in the butterfly’s ‘wings’ in just 11 ...

Add Yahoo as a preferred source to see more of our stories on Google. A small bright blue point in the center is surrounded by exploding gas, hued red then diminishing to green before fading into the ...

At first glance, the Butterfly Nebula looks like a glowing insect pinned against the backdrop of space. Officially known as NGC 6302, it sits about 3,400 light-years away in the constellation Scorpius ...

Scientists say the James Webb Space Telescope has captured an unprecedented look inside a butterfly nebula, revealing matter around a dying star. The international space community, consisting of NASA, ...

When a star runs out of fuel, it sheds its outer layers of gas and, if it doesn't explode in a supernova, forms a glowing shell of ionized gas that expands into space. Shells like these are known as ...

The Helix Nebula is revealing how debris from a dying star gets broken apart and mixed into the gas between stars.

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Planetary nebulae have been studied for centuries, but astronomers are getting new looks and a better understanding of the structures and compositions of these gaseous remnants of dying stars thanks ...

Looking for a sky event this week? Check out our full Sky This Week column. August 18: Stars and sparklers First Quarter Moon ...

A color rendition of NGC 6302, the Butterfly Nebula, created from black-and-white exposures taken by the Hubble Space Telescope in 2019 and 2020. In the violet-colored regions, strong stellar winds ...

Add Yahoo as a preferred source to see more of our stories on Google. The complicated structure at the centre of the Butterfly Nebula, NGC 6302. There is a bright source at the centre that is ...