Is it possible to orbit a data center? Elon Musk has contended that it can, and the arithmetic is simple. In a memo to his staff, he explained that the fundamental math of the “basic math” is SpaceX ...

For the first time, an international research team has directly measured the effect of cosmic radiation in a cold molecular ...

Researchers have uncovered how atoms subtly rearrange themselves for up to a trillionth of a second before releasing ...

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

For more than a century, popular culture has promised that humanity will spread effortlessly across the Solar System, turning ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

Nuclear weapons testing has affected every single human on the planet, causing at least four million premature deaths from cancer and other diseases over time, according to a new report ...

The hydrogen molecule H 2 is the simplest stable molecule, with two protons and two electrons bound together. Scientists have studied it for more than a century because it’s small enough that theory ...

New experiments at CERN by an international team have ruled out a potential source of intergalactic magnetic fields. The existence of such fields is invoked to explain why we do not observe secondary ...

Rediscovering radiation medicine Radiation oncologist Catheryn Yashar from UC San Diego Health introduces the ASTRO news briefing. (Courtesy: ©ASTRO/Todd Buchanan 2025) “ASTRO 2025 has opened with a ...

Foreign critics screamed that the U.S. high-altitude nuclear test of July 9 would destroy the natural radiation belt that girdles the earth. An impressive group of U.S. scientists including Professor ...