The rapid acceleration of the universe’s expansion continues to challenge our understanding of fundamental physics. Why the ...

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

For a quarter century, cosmology has rested on a simple but audacious idea: that a fixed “cosmological constant” drives the ...

But is the expansion of the universe really relentless, or might the cosmos be setting up for its own fiery collapse? A ...

In 1931, a hoax claimed that Nikola Tesla had created a car powered by a “cosmic energy power receiver,” but was quickly dismissed due to lack of evidence. A young scientist from Ellington just ...

Particles smaller than an atom hurtle through the universe nearly at the speed of light, blasted into space from something, somewhere, in the cosmos. A scientific collaboration of the Pierre Auger ...

Ultrahigh-energy cosmic rays are the most energetic and rarest of particles in the universe – and also one of the most enigmatic. Benjamin Skuse reveals how cosmic-ray mysteries are continuing to test ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Collaboration MPIK/H.E.S.S. After over a decade of meticulous data collection, scientists ...

This may seem like the cry of a panicking news reporter in a lurid sci-fi tale, but it’s actually a scientific fact — albeit a slightly hyperbolic one. Mysterious cosmic rays traveling at speeds ...

Final results from the University of Utah's High Resolution Fly's Eye cosmic ray observatory show that the most energetic particles in the universe rarely reach Earth at full strength because they ...

One of the great mysteries in science is determining not only what's out there, but what creates the signals we detect here on Earth. For over a century, we've known that zipping through the Universe ...