Stars

Milky Way, Robotic Spaceflight, Stars

Astrophysicists release new study of one of the first stars

Stars

Planet-devouring star reveals possible limestone crumbs

Galaxies, Stars

Three Boötes double stars, Ruby Crucis, and spiral galaxy M94

Milky Way, Stars

Computer simulations shed light on the Milky Way’s missing red giants

Deep-Sky Objects, Stars

Hubble spots heavy, ancient, metal-filled stars pulsing away

Galaxies, Stars

“Wasteful” galaxies launch heavy elements into surrounding halos and deep space, study finds

Galaxies, Stars

New observational distance record promises important tool for studying galaxies

Galaxies, Stars

Mizar and Alcor, the Sombrero Galaxy (M104), and elliptical galaxy M60

Deep-Sky Objects, Galaxies, Stars

Cor Caroli, the Pearl Cluster (NGC 3766), and the Leo Triplet

Alien Life, Exoplanets, Planets, Stars

Number of habitable planets could be limited by stifling atmospheres

Exoplanets, Planets, Stars

Footprints of baby planets found in a gas disk

Exotic Objects, Galaxies, Stars

Supermassive black holes cause galactic-scale warming