Physicists are closing in on a strange, hidden influence that does not fit neatly into the four familiar forces of nature, and the search is reshaping how detectors are built and where they are ...

US officials claim China hid a nuclear explosion just as arms control fell apart. Independent monitors say otherwise.

Physicists suggest that a single, extraordinarily powerful cosmic signal detected on Earth could be linked to the explosive end of a tiny black hole from the early universe. That signal now stands as ...

Physicists are building detectors so sensitive that they may succeed in unraveling one of the greatest mysteries in modern physics: the true nature of dark matter.

In medicine, security, nuclear safety and scientific research, X-rays are essential tools for seeing what remains hidden. The ...

Russian and U.S. negotiators discussed the expiration of the last remaining nuclear arms pact between the two countries and ...

Darlington’s refurbishment project wraps up ahead of schedule, Argonne tests AI tools for nclear energy, and DOE awards ...

The United States on Friday accused China of carrying out a secret nuclear test in 2020 as the Trump administration calls for ...

Most of the universe is made of dark matter and dark energy, yet scientists still don’t know what either one is. New ultra-sensitive detectors are being built to spot incredibly rare particle ...

The US accused China of secret nuclear tests, banned under international agreement, that were building toward tests of larger ...

The famed collider at Brookhaven National Laboratory has ended operations, but if all goes to plan, a new collider will rise ...

The Kremlin says Russian and U.S. negotiators have discussed the expiration of their last remaining nuclear arms pact ...