Stellar streams are trails of stars that astronomers can study to solve mysteries about the history of our Milky Way galaxy ...

Astronomers have discovered a unique planet in the Milky Way's Volans constellation, featuring a molten surface and sulfur-rich atmosphere. This hellish world, over 60% larger than Earth but less ...

In an unprecedented discovery, astronomers have identified a strange object in the Milky Way galaxy. This celestial body, about 15,000 light-years away, emits bursts of radio waves and X-rays every 44 ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: NASA/CSA/ESA, ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers recently discovered a never-before-seen celestial phenomenon hiding in our own cosmic backyard. The mystery object, ...

This discovery helps answer a long-standing mystery about how galaxies, like our own Milky Way, were born. Seeing Back 10 Billion Years Galaxies often have two layers: a thick disc filled with older ...

In a discovery that could reshape our understanding of how galaxies form and evolve, astronomers have identified the most distant spiral galaxy candidate ever observed—a vast, mature system that ...

Editor's note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. (CNN) — Researchers have discovered a ...

Astronomers discovered a molten alien planet orbiting a star in the Milky Way. This planet, larger than Earth, is surrounded by a searing sulfur-rich atmosphere. It orbits a star in the constellation ...

Amid the vast darkness of the Milky Way’s halo, a faint, enigmatic trail of stars has been spotted, one that could rewrite ...

For decades, astronomers wondered why most nearby galaxies are speeding away from the Milky Way instead of being pulled in by its gravity. New simulations reveal the answer: our galaxy sits in a ...

Over the past decade, scientists have detected a puzzling phenomenon: radio pulses coming from within our Milky Way galaxy that would pulse every two hours, like a cosmic heartbeat. The long radio ...