Supernovae are bright. So bright that they can outshine all the other stars in their … “This Supernova Progenitor Hid Behind a Surprisingly Thick Veil of Carbon Dust”

Stars are constantly emitting radiation and stellar winds which can shape their surroundings. If those … “NASA Telescope Spots a Young Sun-Like Star Inflating Its Astrosphere”

It’s well known that the Andromeda Galaxy is moving toward us. But most other large, nearby galaxies … “Milky Way and Andromeda held in dark matter sheet”