But what does that mean? The simple answer is how heavy something is for its size. If something seems very heavy for its size (like a heavy metal object), we say it is more dense. If something seems ...

Three physicists at the University of Nevada, Reno have received grants for high-energy-density plasma research from the Department of Energy, more awards this year than any other institution in the ...

Hye-Sook Park, a physicist at Lawrence Livermore National Laboratory, has been awarded the Edward Teller Award for 2025 by the American Nuclear Society. The award recognizes her pioneering ...

Researchers have experimentally generated high-density relativistic electron-positron pair-plasma beams by producing two to three orders of magnitude more pairs than previously reported. Black holes ...

The amount of space debris has increased steadily since the launch of Sputnik in 1957, and about 22,000 man-made objects that are 10 cm or larger in diameter are currently cataloged and tracked in low ...