If true, the idea would blow past one of physics’ most sacred limits: that parallel versions of reality can never talk to ...

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

Neutrino particles have extremely small masses, yet there are so many of them that they carve out the large-scale structure ...

Most of the universe is made of dark matter and dark energy, yet scientists still don’t know what either one is. New ultra-sensitive detectors are being built to spot incredibly rare particle ...

UC Santa Cruz physicist Stefano Profumo has put forward two imaginative but scientifically grounded theories that may help solve one of the biggest mysteries in physics: the origin of dark matter. In ...

The brightest quasar ever seen in the young cosmos is powered by a black hole that appears to be breaking the universe’s own ...

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 ...

Foundations in science and physics exist at the very core of the Netflix's hit show “Stranger Things," demonstrating to audiences for over a decade that our universe may be "stranger" than we care to ...

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

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

This December, the SciFri Book Club will read The Biggest Ideas in the Universe: Space, Time, and Motion by Sean M. Carroll. This New York Times bestseller transforms intimidating physics equations ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...