A red supergiant star appears to have changed in just a few years – an astronomical blink of an eye – which suggests it may ...

Isolated by mountains along the East African Rift is Lake Tanganyika. More than 400 miles long, it is the continent's deepest ...

The most luminous kilonova candidate to date (short gamma-ray burst 200522A) was detected using the Hubble Space Telescope, ...

A stunning new discovery reveals that white dwarf stars — once thought to explode in predictable ways — actually detonate through an astonishing variety of mechanisms. From star cannibalism to violent ...