New observations of two black holes merging have confirmed predictions made decades ago by Albert Einstein, Stephen Hawking, and Roy Kerr. A decade ago, scientists first picked up ripples in the ...

Oftentimes, we think of space as an endless, mostly empty vacuum, a silent backdrop where planets, stars, and galaxies play out their dance. We also think of time as something separate, a steady ...

What if the universe remembers? A bold new framework proposes that spacetime acts as a quantum memory. For over a hundred years, physics has rested on two foundational theories. Einstein’s general ...

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The id ...

Pfalzner's models show that interstellar objects — bodies ejected from other star systems — could be captured by these planet-forming disks. These objects could "seed" the disks, sweeping past the ...

Psychologists say “time expansion” is real—moments when your brain slows reality, stretching seconds into minutes during accidents, sports, or meditation.

The theory hinges on the idea that our view of the stars slowly drifts over time as the Earth wobbles, so the constellations we see today aren’t in the exact same positions they were when the ...

I’d like to share seven principles for teaching social theory that have proved effective in helping my students stay the course. They’re easy to adopt in any classroom, regardless of size or ...