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) ...

An illustration of a young solar system immersed in high-energy cosmic rays from a nearby supernova. Unlike considering only direct injection of supernova ejecta, this process naturally explains key ...

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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 ...

In 1181 AD, a bright "guest star" was observed to linger in the sky for around six months. Nearly 850 years later, the likely remnants of this event were rediscovered and tentatively linked to the ...

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the ...

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