Euclid is on a quest to unravel one of the universe’s greatest mysteries: why it's expanding faster and faster. With help ...

It drives the movements of stars and galaxies, but dark matter is invisible. While it remains a colossal mystery, a study ...

Newly-processed image of Small Magellanic Cloud star cluster shows that this old space telescope can still impress with its ...

New Technique to Detect Dark Matter Using Atomic Clocks and Lasers ... three ultra-massive galaxies -- nearly as massive as the Milky Way -- already in place within the first billion years after ...

After 11 years mapping the Milky Way, the European Space Agency's Gaia space telescope has retired. Scientists hailed it as ...

The smaller, intermediate mass black hole was likely derived from the Sausage Galaxy, which collided with the Milky Way 10 billion years ago.

Astronomers have uncovered a spiral galaxy nearly a billion light-years away that hosts a supermassive black hole launching ...

Astronomers studying a supermassive black hole at the center of a galaxy similar to our Milky Way may have just witnessed how ...

A massive spiral galaxy with a giant black hole is shooting huge energy jets, something scientists thought only elliptical ...

"Could our galaxy one day experience similar high-energy phenomena that will have serious consequences for the survival of ...

Spiral galaxy J2345−0449, 947 million light-years away from us in the constellation of Aquarius, is a very unusual object ...