Hubble spots farthest star ever seen

The team detected the blue supergiant star — which shone when the universe was just one-third its current age — with the help of both the Hubble Space Telescope and gravitational lensing.

Spots on supergiant star drive spirals in stellar wind

A Canadian-led international team of astronomers recently discovered that spots on the surface of a supergiant star are driving huge spiral structures in its stellar wind.