When the theory of relativity appeared in the early 1900s, it upended centuries of science and gave physicists a new understanding of space and time. Isaac Newton saw space and time as fixed, but in ...

Neutrinos, the most ghostly particles we know of, are hitting far above their weight class. Recent evidence from the European physics mecca known as CERN and an affiliated group in Lyon suggests that ...

Discover how Einstein’s theory of special relativity reshaped physics by linking space, time, mass, and energy in a universe governed by the speed of light. When you purchase through links on our site ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Albert Einstein's theory of general relativity has held up pretty well after a century out in the ...

Observing time distortions could show whether Einstein's theory of general relativity accounts for the mysteries of dark matter and dark energy. When you purchase through links on our site, we may ...

If you’ve ever received a speeding ticket or enjoyed a night watching TGIF in the 1990s, then you can thank Albert Einstein. This week marks a century since the patent clerk-turned-physicist presented ...