stars
How Old is That Star? Ask a Computer
A new machine learning technique could make it much easier to estimate the age of stellar populations.
A Galaxy has Been Found that’s Almost Entirely Dark Matter
Astronomers have discovered a galaxy with very little or no stellar mass. Galaxies like these are called 'dark galaxies.' It…
Binary Dwarf Stars Found Orbiting Each Other Every 20 Hours. They Were Once Almost Touching
A team of astrophysicists has discovered a binary pair of ultra-cool dwarfs so close together that they look like a…
The Donut That Used To Be a Star
The death of a star is one of the most dramatic natural events in the Universe. Some stars die in…
A Black Hole Consumed a Star and Released the Light of a Trillion Suns
When a flash of light appears somewhere in the sky, astronomers notice. When it appears in a region of the…
Planets Make it Harder to Figure out a Star’s age
Estimating stellar age has always been a challenge for astronomers. Now, a certain class of exoplanets is making the process…
Another Reason Red Dwarfs Might Be Bad for Life: No Asteroid Belts
In a recent study accepted to The Astrophysical Journal Letters, a team of researchers at the University of Nevada, Las…
Astronomers Find a Star That Contains 65 Different Elements
Have you ever held a chunk of gold in your hand? Not a little piece of jewelry, but an ounce…
TESS Finds Almost 100 Quadruple Star Systems
NASA's Transiting Exoplanet Survey Satellite (TESS) has found over 5000 candidate exoplanet candidates, and 197 confirmed exoplanets since its mission…
Planet Found in the Habitable Zone of a White Dwarf
Most stars will end their lives as white dwarfs. White dwarfs are the remnant cores of once-luminous stars like our…