The Hubble Space Telescope has found evidence of a "wandering" black hole about 5000 light years away in the Milky Way galaxy ...

Imagine a star powered not by nuclear fusion, but by one of the universe’s greatest mysteries—dark matter. Scientists have ...

New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite ...

In summer, we face toward the Milky Way's hub in the Teapot constellation, home to the galaxy's supermassive black hole.

Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to ...

New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

New research suggests sub-stellar objects called dark dwarfs could glow forever on dark matter energy. Could they reveal secrets about the universe’s hidden mass?

The LEGO Milky Way Galaxy set #31212 is currently $199.99 elsewhere (even during Prime Day), but Insiders members can get it ...

NASA released images of star clusters NGC 460 and NGC 456 in the Small Magellanic Cloud. Hubble shows visible light, while ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.