The Big Bang theory tells the story of the universe’s first few minutes with astonishing success. Yet it stumbles over one of the simplest elements in nature. Lithium. Or, more precisely, lithium-7.

BUFFALO, N.Y. — In the beginning, the world was empty and cold. Prior to the Big Bang — yes, before the Big Bang — the universe underwent a breathtaking cosmic expansion, doubling in size at least 80 ...

The Big Bang wasn’t always a sure bet. For several decades in the 20th century, researchers wrestled with interpreting cosmic origins, or if there even was a beginning at all. At the forefront of that ...

Mayim Bialik tells Neil DeGrasse Tyson about transitioning from acting to neuroscience—then playing a scientist on The Big ...

The Big Bang may not have been alone. The appearance of all the particles and radiation in the universe may have been joined by another Big Bang that flooded our universe with dark matter particles.

The Big Bang happened. The evidence is clear, ranging from the underpinnings of Albert Einstein’s general theory of relativity, to the detection of the cosmic microwave background by Arno Penzias and ...

Cosmic inflation tries to describe one brief but crucial phase in the Big Bang that launched the universe onto its expansion course. Credit: Christine Daniloff / MIT / ESA / Hubble / NASA Many ...

The big bang wasn’t a bang in the traditional sense—but it was nonetheless the start of important things: for one, space; another, time. Thirdly, it began the conditions and processes that eventually ...

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