A gamma ray glow at our galaxy’s center has puzzled scientists for almost two decades. New computer simulations back the theory that dark matter could be the source.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. “It’s alive! IT ...

The 2025 Nobel Prize in physiology or medicine has been awarded to a trio of scientists for unraveling how the immune system protects us from thousands of different microbes trying to invade our ...