Stellar Evolution
Why Are Dying Stars in 47 Tucanae Cooling Off So Slowly?
The Hubble Space Telescope is going to be used to settle an argument. It's a conflict between computer models and…
Seeing the Red of ‘La Superba,’ a Magnificent Springtime Carbon Star
The Universe can be a very gray place. But this week, we’ll look at a fine example of a class…
Astronomers Hint that our Sun won’t Terminate as the Typical Planetary Nebula
Textbooks often cite that planetary nebulae (PNe, plural) represent an endstate for lower-mass single stars. But conversely, recent research suggests…
Looking Into The Green Eye Of Planetary Nebula IC 1295
Located on Cerro Paranal in the Atacama Desert of northern Chile, the ESO's Very Large Telescope was busy using the…
WISE Nabs the Closest Brown Dwarfs Yet Discovered
We now know our stellar neighbors just a little better, and a new discovery may help tell us how common…
Pulsar Jackpot Scours Old Data for New Discoveries
Chalk another one up for Citizen Science. Earlier this month, researchers announced the discovery of 24 new pulsars. To date,…
Nearby Ancient Star is Almost as Old as the Universe
A metal-poor star located merely 190 light-years from the Sun is 14.46+-0.80 billion years old, which implies that the star is…
Bright Jets Blast Out from a Newborn Star
Like very young humans, very young stars also tend to make a big mess out of the stuff around them…
Portrait Of NGC 5189: New Light On An Old Planetary Nebula
Stretching across three light years of space and located about 3,000 light years away in the direction of the constellation…
Galactic Gas Cloud Could Help Spot Hidden Black Holes
The heart of our Milky Way galaxy is an exotic place. It's swarming with gigantic stars, showered by lethal blasts…