stars

Hubble Takes a 2.5 Gigapixel Image of AndromedaHubble Takes a 2.5 Gigapixel Image of Andromeda

Hubble Takes a 2.5 Gigapixel Image of Andromeda

The Andromeda galaxy is our closest galactic neighbour, barring dwarf galaxies that are gravitationally bound to the Milky Way. When…

1 month ago
The Cosmos is Waiting for us to Explore. But we Should Choose our Path Wisely.The Cosmos is Waiting for us to Explore. But we Should Choose our Path Wisely.

The Cosmos is Waiting for us to Explore. But we Should Choose our Path Wisely.

If you were Captain of the first USS Enterprise, where would you go!? Humanity is on the cusp of reaching…

2 months ago
How Old is That Star? Ask a ComputerHow Old is That Star? Ask a Computer

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.

2 years ago
A Galaxy has Been Found that’s Almost Entirely Dark MatterA Galaxy has Been Found that’s Almost Entirely Dark Matter

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…

2 years ago
Binary Dwarf Stars Found Orbiting Each Other Every 20 Hours. They Were Once Almost TouchingBinary Dwarf Stars Found Orbiting Each Other Every 20 Hours. They Were Once Almost Touching

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…

2 years ago
The Donut That Used To Be a StarThe Donut That Used To Be a Star

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…

2 years ago
A Black Hole Consumed a Star and Released the Light of a Trillion SunsA Black Hole Consumed a Star and Released the Light of a Trillion Suns

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…

2 years ago
Planets Make it Harder to Figure out a Star’s agePlanets Make it Harder to Figure out a Star’s age

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…

2 years ago
Another Reason Red Dwarfs Might Be Bad for Life: No Asteroid BeltsAnother Reason Red Dwarfs Might Be Bad for Life: No Asteroid Belts

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…

2 years ago
Astronomers Find a Star That Contains 65 Different ElementsAstronomers Find a Star That Contains 65 Different Elements

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…

3 years ago