Astronomers missed a space explosion as powerful as a billion suns — until they spotted its echo

A cosmic explosion with an energy equivalent to the output of a billion suns went unnoticed by astronomers until they caught ...
Today In The Space World on MSN

T Coronae Borealis: The star on the edge of a cosmic explosion

Astronomers are closely monitoring T Coronae Borealis, a rare stellar system teetering on the brink of eruption. Learn why ...
Morning Overview on MSN

Astronomers spot a magnetar’s birth using a general relativity effect

Astronomers have identified the birth of a magnetar, a hyper-magnetized neutron star, by detecting a subtle warping of space-time predicted by Einstein’s general relativity. The discovery came from ...