The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.

The supermassive black hole sitting at the heart of our galaxy is considered to be a slumbering giant. However, an ...

They're called ghost particles for a reason. They're everywhere—trillions of them constantly stream through everything: our ...

Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

See that bright object in the sky? That’s Andromeda – the closest major galaxy to our Milky Way and the most distant thing ...

Our galaxy's supermassive black hole is famous for being one of the dimmest in the universe. Evidence from a new space ...

A potential new type of celestial object has all the makings of a normal small galaxy. It’s rich with the same hydrogen gas ...

It used to be said that you could test your eyesight by counting the number of stars visible to the unaided eye. The best nights to try this are around January 19 when the Moon is new ...