It's a plot device beloved by science fiction: our entire universe might be a simulation running on some advanced ...

Dark-energy evidence suggests the universe will end in a “big crunch” roughly 20 billion years from now. The universe is nearing the halfway point of what may be a 33-billion-year lifespan, according ...

If recent discoveries that dark energy is evolving hold any water, our Universe will collapse under its own gravity on a ...

Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...

According to the model, dark matter may have started as particles that were hot, light, massless, and fast. As the universe ...

The universe contains roughly 2 trillion galaxies and countless mysteries, including dark matter, supermassive black holes, ...

In May 2019, astronomers picked up something strange in the fabric of spacetime. The LIGO and Virgo detectors recorded a gravitational wave that lasted just one-tenth of a second. The signal, known as ...

Physicists theorize our universe may have collided with another in the past, creating the Big Bang. Level two of the ...

Researchers have moved one step closer to solving one of science’s greatest mysteries—why the universe is filled with matter instead of nothing. Scientists at Indiana University have made a major ...

The idea, put forth by Juan Maldacena of the Institute for Advanced Study in Princeton, N.J., suggested something profound: that our universe could be a hologram. Much like a 3D hologram emerges from ...

Soaring to the depths of our universe, gallant spacecraft roam the cosmos, snapping images of celestial wonders. Some spacecraft have instruments capable of capturing radio emissions. When scientists ...