A big bully pummeled our sun in its infancy, fatefully altering the composition and evolution of the solar system, a new study suggests. The heavy, in this case, was a nearby, massive star. First, the ...

CHAMPAIGN, Ill. — The death of a massive nearby star billions of years ago offers evidence the sun was born in a star cluster, say astronomers at the University of Illinois at Urbana-Champaign. Rather ...

How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...

The Sun had "sisters" when it was born, according to new research — hundreds or thousands of them. At least one was a supernova, providing further support for the idea that there could be lots of ...

The stars differ from each other in size, temperature, and age, but they appear to be made up of the same elements that are found on the earth and to behave according to the same physical principles.

Several months ago, a suspected supernova was discovered that had scientists scratching their heads. If confirmed as a supernova, ASASSN-15lh would be twice as luminous and 10 times brighter than the ...

Feed your need for heavenly views of the universe with our pick of the most awe-inspiring space pictures. This week, supernova remnants glow in x-rays, two of Saturn's moons appear deceptively close ...

Astronomer Robert Quimby has done it again. Found the most luminous supernova ever, that is. Quimby discovered the current record holder, supernova 2006gy, last year as part of his Texas Supernova ...

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CHAMPAIGN, Ill. -- The death of a massive nearby star billions of years ago offers evidence the sun was born in a star cluster, say astronomers at the University of Illinois at Urbana-Champaign.