A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have formed ...

A controversial theory suggests the observable universe is the result of matter rebounding after the collapse of a black hole ...

A never-before-seen image of the cosmic microwave background, combining data from the Atacama Cosmology Telescope (ACT) and the Planck satellite, offers a high-definition view of the early Universe.

The earliest light in the universe has been traveling across space since just after the Big Bang. Known as the cosmic ...

And while 388,000 years may seem like an indescribably long time to humans, the universe is currently around 13.8 billion years old—meaning these photos are equivalent to "hours-old baby ...

Astronomers are trying to listen to the universe’s background hum — a cascade of gravitational waves believed to exist since the first rapid inflation of space following the Big Bang over 13.8 ...