Scientists using the Chandra X-ray telescope have uncovered new details about the famous supernova remnant Cassiopeia A.

A mysterious remnant from a rare type of supernova recorded in 1181 has been explained for the first time. Two white dwarf stars collided, creating a temporary 'guest star,' now labeled supernova (SN) ...

Danish astronomer Tycho Brahe saw a "new and unusual star" in the November 1572 sky. He called it a new star, or "stella nova". This astronomical event changed the way the scientific world viewed the ...

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Cambridge, MA – Since Galileo first pointed a telescope at the sky 400 years ago, a myriad of technological advances have allowed astronomers to look at very faint objects, very distant objects, and ...

Eight years ago, an astronomical observatory located high on a hill overlooking a region famous for a popular cheese, peered into the constellation Pisces only to discover proof of a star going ...

This is an infrared image of supernova 1987A, taken by Herschel Space Observatory and Spitzer Space Telescope. Image uses the data at 8, 24 and 250 micron. The two white lines indicate supernova 1987A ...

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