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Binary Stars Form in the Same Nebula But Aren't Identical. Now We Know Why.

If binary stars form from the same cloud of material, why do they have different metallicities? Astronomers may have figured it out.

Could Life Exist in Molecular Clouds?

One researcher thinks life could have originated in cold molecular clouds before spreading elsewhere, including Earth.

Star Factories Haven't Changed Much Over the Entire Age of the Universe

How different was the early Universe compared to today? Stars are the Universe's basic building blocks. Did they form differently back then?

See supernovae blast remnants with your own eyes

A green three-tailed comet will be visible from Earth for the first time in 50,000 years

A green three-tailed comet is coming close to Earth this week the first time it’s been this close in 50,000 years.It will be closest on Feb. 2.You just might be able to see it with your naked eye or a camera, according to astrophotographer Adam Block. Block is a researcher at the Steward Observatory at the University of Arizona.He joined The Show talk about the comet with