Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

Since Einstein, physicists have found that certain entities can reach superluminal (that means "faster-than-light") speeds and still follow the cosmic rules laid down by special relativity.

You can't see, feel, hear, taste or smell them, but tiny particles from space are constantly raining down on us.

Spencer Axani, assistant professor in the Department of Physics and Astronomy, is the inventor of CosmicWatch, a portable, ...

A new study enhances hydrogen molecule predictions, achieving unprecedented precision in testing fundamental physics and ...

For more than a century, the double-slit experiment has been the sharpest test of what reality is made of, and of whether ...

ON THIS DAY IN 1913, the Brooklyn Daily Eagle reported, “Harold A. Content, acting for George Gordon Battle, counsel for ...

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

Now, two unrelated-but-similar experiments confirm that, in a double-slit experiment, detection of a photon’s path (its ...

Scientists at the Paul Scherrer Institute PSI have, for the first time, demonstrated a technique that synchronizes ultrashort ...

CAPE CANAVERAL SPACE FORCE STATION — Despite the number of struggles Relativity Space has faced trying to get the world’s first 3D-printed rocket off the ground, it finally succeeded Wednesday night, ...

If you’re concerned about getting every microsecond out of life, then you might not want to migrate to Mars. Using extremely ...