We like to believe we have a pretty good idea of how things work in our universe. However, the truth is that there is still ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

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The bluster would be designed to appeal to the wider electorate; the reality would keep the Dow Jones average heading higher, ...

A new study in published in Physical Review Letters analyzes the most complete set of galaxy clustering data to test the ΛCDM ...

Spurred by the success of quantum chromodynamics and electroweak theory in describing ... of a second after the Big Bang. His 1981 paper heralded the virtues of inflation — an explanation ...

This is an audio transcript of the Unhedged podcast episode: ‘The listeners have questions’ Katie Martin Happy New Year. We’ve had a blast doing these podcasts over the past year and a half or so, and ...

"ingredient," dark energy, since its discovery almost three decades ago. This was the first year that scientists got an exciting observational hint that the force driving the accelerating expansion of ...

Sometimes those branes could collide, instigating a new Big Bang. This cyclic model of branes colliding is called the ekpyrotic theory. Another model is that of chaotic, or eternal, inflation ...

This course examines the history of our universe from the Big Bang, through the formation of the cosmic microwave ... a combination of a wide range of physics is needed: perturbation theory, ...

Americans are now spending more time alone than ever. It’s changing our personalities, our politics, and even our ...