The center of our Milky Way galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas. NASA's Spitzer Space Telescope's infrared cameras penetrate much of the ...

Swirling through the Milky Way's central zone, in the turbulent region surrounding the supermassive black hole at the core of ...

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 galaxy is packed with hydrogen atoms, and these atoms are constantly emitting 21 cm radiation. The best part is that this radiation can travel long distances through the interstellar ...

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 ... Apart from taking amazing photos of the universe, Pettit ...