Scientists have been using complicated, hypothetical particles to explain the Big Bang, but this theory posits that a simpler ...

A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

If recent discoveries that dark energy is evolving hold any water, our Universe will collapse under its own gravity on a ...

Pulsars could be helping scientists distinguish between gravitational waves caused by supermassive black hole collisions and ...

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized explosion but a simultaneous ...

No one knows what kicked off the Big Bang that eventually allowed the stars to begin forming. Adolf Schaller for STScI, CC BY How can a Big Bang have been the start of the universe, since intense ...

The team explores one of the greatest discoveries of modern astronomy - that our universe is expanding - and the new questions it raises about how the cosmos works. The team explores one of the ...

The BICEP2 telescope at twilight, which occurs only twice a year at the South Pole. It's not every day that a new window on the birth of the universe is thrown open. It's not every day that human ...

The early universe was already warm before reionization, revealing that the first stars did not flicker on in an icy cosmos.

The Big Bang Theory fans have reason to celebrate as the upcoming spin-off, Stuart Fails to Save the Universe, has officially begun production.

Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X The Big Bang Theory won 10 Emmy Awards during its 12-season run and spawned the prequel series, ...

For two decades, scientists believed the cosmological constant, known as λ (lambda), was positive. That meant the Universe ...