Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly ...
110 years ago today, Albert Einstein published his General Theory of Relativity, which redefined the relationship between matter and gravity. Suddenly, our mysterious universe made a little more sense ...
The answer once again starts with Albert Einstein—this time with his theory of general relativity, which describes gravity as a deformation of geometry. A theory which has also proven to be extremely ...
An event marking UN Day featured Annalena Baerbock, above, the president of the General Assembly, Oct. 24, 2025. She and the monthly rotating president of the Security Council will play a vital role ...
Relativity Space has completed a critical design review of its Terran R rocket as it works towards a first launch as soon as late 2026. Credit: Relativity Space WASHINGTON — Relativity Space, a launch ...
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