Stellar Evolution
Split-Personality Pulsar Switches From Radio To Gamma-Rays
Another snapshot of our strange universe: astronomers recently caught a pulsar -- a particular kind of dense star -- switch…
ESO’s La Silla Observatory Reveals Beautiful Star Cluster “Laboratory”
Any human being knows the awe-inspiring wonder of a splash of stars against a dark backdrop. But it takes a…
Cosmic Fireworks: A Supernova Feast And Google+ Hangout For Chandra’s 15th Anniversary
It's well past the Fourth of July, but you can still easily find fireworks in the sky if you look…
New VLT Observations Clear Up Dusty Mystery
The Universe is overflowing with cosmic dust. Planets form in swirling clouds of dust around a young star; Dust lanes…
Merging Giant Galaxies Sport ‘Blue Bling’ in New Hubble Pic
On a summer night, high above our heads, where the Northern Crown and Herdsman meet, a titanic new galaxy is…
A Protostar’s Age Gleaned Only From Sound Waves
Precisely dating a star can have important consequences for understanding stellar evolution and any circling exoplanets. But it’s one of…
The Making of the Pillars of Creation
It’s one of the most iconic images of the modern Space Age. In 1995, the Hubble Space Telescope team released…
Hubble Hubba: Stars Are Being Born Around A Black Hole In Galaxy’s Center
Let's just casually look at this image of a galaxy 86 million light-years away from us. In the center of…
‘Cosmic Zombie’ Star Triggered This Explosion In Nearby Galaxy
It might be a bad idea to get close to dead stars. Like a White Walker from Game of Thrones, this "cosmic…
Astronomers Find Evidence of a Strange Type of Star
One has never been spotted for sure in the wild jungle of strange stellar objects out there, but astronomers now…