A nearby star system, teetering on the edge of a spectacular explosion, promises a rare cosmic show that’ll be visible to the naked eye. The brightest gamma-ray burst of all time came from a supernova ...

When you look up at the night sky, it might seem like all stars are basically the same, as just tiny points of light scattered across the dark. However, in reality, stars come in an astonishing range ...

Stars across the Hertzsprung–Russell diagram are known to emit X-rays, with only a few exceptions. In main-sequence solar-type and low-mass stars, the X-rays arise from a magnetically confined plasma ...