Time dilation, a captivating concept embedded in Einstein’s theory of relativity, has been experimentally validated on Earth. With the use of ultra-precise clocks, scientists have been able to ...

Imagine gazing at a distant star, its light traveling millions or even billions of years to reach our telescopes. As we receive this ancient light, we’re essentially witnessing the % star as it ...

My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far from Earth. My wife, Cristina, walked up just as the first space photo ...

Confining and rotating extremely cold atoms or molecules within atomic “Ferris wheels” made from laser light could test ...