The spins of some early galaxies could be a clue that the entire observable universe exists within a black hole—except, that ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

The implications challenge everything we know about cosmology. This isn’t just big - it's universe-breaking. ‘White Lotus’ star Aimee Lou Wood responds to ‘mean and unfunny ...

Biggest vs smallest - how do we measure up in the grand scheme of the universe? Explore the fascinating scales of existence, from quantum particles to the observable universe’s edge. A journey ...

(Nasa/Event Horizon Telescope Collaboration) Black hole cosmology suggests that the Milky Way and every other observable galaxy in our universe is contained within a black hole that formed in ...

Big bang—The fiery birth of the observable universe in an explosion of space ... shell of luminous gas that surrounds a small white dwarf star. The ionized shell receives ultraviolet light ...

Equivalent to almost two trillion trillion suns, that’s the amount of mass (or its counterpart as energy) that these images show to exist in the entire observable universe, which extends almost ...