Helium-3, a rare isotope of helium gas, is leaking out of Earth's core, according to a new study. Because almost all helium-3 is from the Big Bang, the gas leak adds evidence that Earth formed inside ...

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 ...

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 ...

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 ...

The NASA Astronomy Picture of the Day (APOD) for September 29, 2026, highlights Sh2-188, a large planetary nebula whose ...

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, ...

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 ...

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.

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 ...

This nebula was first discovered on February 15, 1786, by British astronomer William Herschel. While scanning the night sky with a large telescope he built himself that day, Herschel discovered a ...

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 ...

Something is amiss in the Butterfly Nebula. When astronomers compared two exposures of this planetary nebula that had been taken by the Hubble Space Telescope in 2009 and 2020, they saw dramatic ...