A group of scientists, including Sergey Frolov, professor of physics at the University of Pittsburgh, and co-authors from ...

Galaxy clusters are formed by a dense packing of many galaxies, making them the most massive structures in the universe.

Half of the UK's adult gaming centres are situated in its most disadvantaged neighbourhoods, BBC research suggests. Open for up to 24 hours a day, the centres (AGCs) host automated gaming machines ...

XRP-USD trades near $1.88–$1.90 on December 23, 2025. The token is down about 2–3% over the last 24 hours, after opening the session close to $1.90 and printing a tight day range around $1.866–$1.910.

More affordable than ever, 3D printers are booming for personal, professional, and educational use. We've been testing them for over a decade and are here to help you find the right option. Since 2004 ...