A lead halide material can detect and image single gamma-ray photons with both high-spatial and high-energy resolution ...

The radiation you receive from airport body scanners is less than what you get on the flight. It's safe for everyone to use, ...

A ccording to Alfred Nobel's will, the Nobel Prize in Physics was to go to "the person who shall have made the most important ...

Space news in 2025 is just wild. Every week, it feels like something new is happening—Mars rovers sending back weird photos, ...

NASA’s Fermi Gamma-ray Space Telescope "detected none of the high-energy gamma-ray light" from a nearby supernova. NASA explains. Credit: NASA Goddard Space Flight Center ...

It's a celestial event that has astronomers both excited and puzzled. Dan Smith has the story of how a gamma-ray burst across ...

Australia's SpIRIT nanosatellite is the first space telescope funded by the Australian Space Agency to carry a scientific ...

Paul Newman shared three children with ex-wife Jackie Witte and three with wife Joanne Woodward. Here's everything to know ...

A University of Sydney student has developed a completely new way to peer inside coral fossils to recover lost records of past climate change.

Technological Advancements Drive Innovation in Medical Radiation Shielding SolutionsThe Global Medical Radiation Shielding ...

Extreme heat impacts on child health and well-being due to immature thermoregulation, less sweating and a high surface-to-body mass ratio that make them more vulnerable to heat-related illness. Severe ...

Former Penn physicist Arthur Goodspeed is the accidental creator of the X-ray, and his images have since been donated to the University.