Researchers may have found our galaxy's missing companions, further bolstering science's most widely accepted cosmological ...

Our Milky Way could have many more satellite galaxies than we've detected so far. They're just too faint to be seen.

A massive, spacetime-warping cluster of galaxies is the setting of today's NASA/ESA Hubble Space Telescope image. The galaxy ...

NASA’s James Webb Space Telescope has revealed the “Cosmic Owl,” a rare structure of two colliding ring galaxies.

According to an international team of experts, the universe will begin to contract in bringing about the end of everything ...

A new galaxy was found with 10,000 more of unseen mass than the Milky Way. Now, scientists are wondering if there are more of ...

Here are 8 rare and stunning black hole images taken by NASA’s Hubble Space Telescope, showing deep space wonders.

An international team of astronomers has managed to peer into the first billion years of the cosmos thanks to the Atacama ...

The world's most powerful telescopes, including the James Webb Space Telescope and FAST, are revolutionizing our ...

Scientists predict up to 100 invisible galaxies may orbit the Milky Way, hiding just beyond our current detection limits.