A series of viral social media posts drew attention to an old cosmological theory-that our universe began from a collision between two separated universes-as a brand new scientific discovery. However, ...
astronomers has uncovered a third galaxy devoid of dark matter, challenging conventional wisdom about the invisible substance that is believed to hold galaxies together. Published in a new study ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For decades ...