Astrophysics

Exotic Objects, Stars

White dwarfs crashing into neutron stars explain loneliest supernovae

Science

Astronomers find stream of gas — 2.6 million light-years long

Exotic Objects, Stars

Hubble finds supernova star system linked to potential “zombie star”

Exotic Objects

NASA’s Fermi space telescope reveals new source of gamma rays

Stars

ALMA finds double star with weird and wild planet-forming disks

Milky Way

NASA-funded X-ray instrument settles interstellar debate

Science

How much dust falls on Earth each year? Does it affect our planet’s gravity?

Stars

Silhouettes of early galaxies reveal few seeds for new stars

Science, Stars

Out of an hours-long explosion, a stand-in for the first stars

Galaxies, Science

Brief pulse detected by Arecibo telescope appears to come from far beyond our galaxy

Deep-Sky Objects, Stars

Astronomers bring the third dimension to a doomed star’s outburst

Exotic Objects, Science

A source of the most powerful cosmic rays?