To find out how clock accuracy is verified and which reference is used for comparison, we visited the Belarusian State ...

Energy efficiency in physics is not measured the way most people think about it. Instead of asking how much heat a process ...

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

By Patrica Marins in Buenos Aries After the first meeting in Oman this month, about which very little is known, the Iranian Foreign Ministry, Iranian Foreign Minister Abbas Araghchi, and International ...

What if a simple quiz could help you lose weight and be healthier? The typical advice for weight loss is straightforward enough — eat less and move more. But this doesn’t always work, as several ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Trump said the world would know in 10 or 15 days whether Iran would reach a deal to avoid military action over its nuclear program.

Astronomers at the University of Alabama in Huntsville may have found the closest evidence yet of a hidden clump of dark ...

Officials and companies are betting that small nuclear reactors could help provide needed power to the Texas grid while ...

Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have uncovered experimental evidence that particles of matter emerging from energetic subatomic smashups retain a key ...

A bacterium contained in drainage from old mines can enrich copper to the level of copper ore, a research team said.

If you break open a chicken bone, you won’t find a solid mass of white material inside. Instead, you will see a complex, spongelike network of tiny struts and pillars, and a lot of empty space. It ...