Cambridge, Ma – Astronomers at the Harvard-Smithsonian Center for Astrophysics (CfA) have found that a supernova discovered last year was caused by two colliding white dwarf stars. The white dwarfs ...

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 ...

Astronomers have identified a white dwarf star in our galaxy that may be the leftover remains of a recently discovered type of supernova. The properties of this unusual white dwarf, known as LP 40-365 ...

A new video provides a front-row seat to a cosmic drama that has been playing out for centuries. Since 1604, when astronomers ...

Astronomers find an explanation for the fastest stars in the galaxy while uncovering a new mechanism for a supernova explosion. Credit: Technion illustration Astronomers call a special kind of ...

In the year 185 C.E, Chinese astronomers spotted a supernova and dubbed it the "guest star." The National Science ...

There's a fascinating white dwarf star in our (relatively) nearby neighborhood with atmospheric characteristics like we've never seen before. Share on Facebook (opens in a new window) Share on X ...

VALPARAISO — As a star ages and grows in the depths of space, its outer layers expand farther out through its solar system until eventually, those outer layers are shed off and what's left is the ...

Type Ia supernovae represent the dramatic thermonuclear explosions of white dwarf stars, typically triggered in binary systems by processes such as accretion from a companion or the merger of two ...