Author: Earth & Beyond

Cassiopeia A (Cas A) is a supernova remnant located about 11,000 light-years from Earth in the constellation Cassiopeia. It spans approximately 10 light-years.X-ray: NASA/CXC/SAO, NASA/JPL/Caltech/NuStar; Optical:…

Even security experts can be fooled. In July 2024, Knowbe4, a Florida-based company that offers security training, discovered that a new hire known as “Kyle” was…