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 ...

Explore the fascinating scales of existence, from quantum particles to the observable universe’s edge. A journey into size like no other! White House proposes drastic cuts to State Department ...

This has given scientists their best look yet at the Cosmic Microwave Background (CMB) - the leftover radiation from the Big Bang which fills the entire observable universe. What looks like clouds ...

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 ...

Is the Universe inside a Black Hole? The spins of some early galaxies could be a clue that the entire observable universe exists within a black hole—except, that is, for all the evidence to the ...