America's national security relies in part on the U.S. Navy's nuclear-powered submarines, which can operate more than 800 ...

Nickel-cobalt (Ni-Co)-based superalloys are leading candidates for advanced turbine disks; however, their strength relies ...

New device could be used to observe structures as small as individual proteins, as well as the environment in which they move ...

Astronomers tracked a decade of dramatic changes in P13, a neutron star undergoing supercritical accretion. Its X-ray luminosity rose and fell by factors of hundreds while its rotation rate ...

Scientists have precisely measured two unstable atomic nuclei that play a crucial role in explosive X-ray bursts on neutron ...

Why these questions for Prelims 2026? Kickstart your UPSC Prelims preparation early. Brush up on your current affairs ...