For over 100 years, two theories have shaped our understanding of the universe: quantum mechanics and Einstein’s general ...

A new quantum recipe for black holes could be the first step toward a theory of "quantum gravity", the "holy grail" of ...

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

Predicted by Einstein and dismissed as undetectable, gravitational waves were finally heard in 2016. Now, with observatories ...

Time, not space plus time, might be the single fundamental property in which all physical phenomena occur, according to a new ...

Three intertwined time directions may underpin everything, turning space into mere “paint on the canvas” and pushing physics ...

The idea of a particle that races faster than light has long fascinated physicists. Known as the tachyon, it was originally ...

From four-dimensional hexagons to the mind-bending amplituhedron, geometrical shapes are wilder than we learn at school - and ...

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s ...

A new theory from a University of Alaska Fairbanks scientist suggests a bold idea: that time—not space—might be the true ...

There may be an infinite amount of energy locked in the vacuum of space-time. So could we ever harness this energy for ...