Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific breakthroughs and more. For nearly 50 years, the scientific community has been grappling with an important problem: There is not enough visible matter in the universe. All the matter we can see—stars, planets, cosmic dust, and everything in… Read More »
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. For nearly 50 years, the scientific community has been grappling with an important problem: There is not enough visible matter in the universe. All the matter we can see—stars, planets, cosmic dust, and everything in… Read More »
One of the most profound messages Stephen Hawking left to humanity is that nothing lasts forever, and scientists may finally be ready to prove it. This idea was conveyed in arguably Hawking’s most important work: the hypothesis that black holes “leak” thermal radiation, evaporating in the process and ending their existence in a final explosion.… Read More »