A newly-discovered spiral galaxy, dubbed the Big Wheel, formed just 2 billion years after the big bang – far earlier, considering its size, than astronomers thought possible. Themiya Nanayakkara ...

The Milky Way, our celestial home, has fascinated astronomers for centuries. It is a vast galaxy, a large system that ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Over the past ...

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 ...

NASA astronaut Don Pettit captures a breathtaking photo of the Milky Way from the ISS, highlighting the stunning view of our galaxy. As part of Expedition 72, Pettit and his team conduct crucial ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers using ...

Back in the 19 nineties, astronomers started to see growing evidence that the universe was accelerating. We thought gravity would slow things down so I could throw up *** ball. Gravity is gonna ...

New research from a team at the Harvard Center for Astrophysics suggests that the Large Magellanic Cloud, a dwarf galaxy neighboring the Milky Way, hosts a gravitational structure hundreds of ...