Matt Korda, the associate director of the Nuclear Information Project at the Federation of American Scientists, assisted USA ...

Ever since cameras came along, people have been trying to capture spooky moments or trying to prove that the supernatural ...

Amid increasing concerns that Greenland, a vast Arctic territory ruled by Denmark, is still being coveted by the Trump ...

Monitoring forest health typically relies on remote sensing tools such as light detection and ranging (LiDAR), radar, and ...

As 2025 drew to a close, we invited DPReview readers to share their best photos from the past year in our "Best photo of 2025 ...

A student-organized “tech fast” at St. John’s College thrust young people headfirst into a world of chalkboard-based ...

NASA's fleet of Earth-observing satellites captured 12 remarkable views throughout 2025, documenting major natural phenomena, climate events, and human impacts like wildfires, hurricanes, and ...

Heavy rainfall is expected to bring widespread impacts to Southern California starting Tuesday night, with the potential for ...

Abstract: An innovative lightweight image encryption scheme with superior security performance has been developed. Initially, we construct a 3-D simple memristive hyperchaotic map (3-D-SMHM) that ...

Abstract: Discrete chaotic systems based on memristors exhibit excellent dynamical properties and are more straightforward to implement in hardware, making them highly suitable for generating ...