Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing ...

"These results from the Dark Energy Survey shine new light on our understanding of the universe and its expansion." ...

Astronomers found evidence that dark matter and neutrinos may interact, hinting at a "fundamental breakthrough" that ...

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

Scientists studying dark matter have published new findings based on a warped extra dimension model that suggests particles ...

Space is filled with a variety of objects, some blisteringly hot, some tremendously cold, but areas with little to nothing at ...

Our best models of the cosmos don't add up — but that could change if the universe is actually made of a viscous 'fluid,' a ...

Columnist Natalie Wolchover checks in with particle physicists more than a decade after the field entered a profound crisis.

Doesn’t that just say that the edge of the observable universe is moving away from us at the speed of light? Which is what being the edge of the observable universe means? Click to expand... But doesn ...

The particles that are in an atom: protons, neutrons and electrons The particles that are in protons and neutrons: quarks The four fundamental forces: gravity, electromagnetism, the strong force and ...

Delve into the detail of atomic physics. As the basic units of matter, atoms are the building blocks for everything in the universe. Once thought to be indivisible, we now know they can indeed be ...