In 1998, during the first Space Shuttle mission to the International Space Station, NASA unknowingly captured a picture of ...

With the recent first light milestone for the Vera Rubin Observatory, it's only a matter of time before one of astronomy's most long-awaited surveys begins. The Legacy Survey of Space and Time (LSST) ...

The search for dark matter requires all the best models, theories, and ideas we can throw at it. A new paper by Julia Monika ...

Doppler shift and Doppler spread due to a flying object are derived directly from Fresnel-Kirchhoff diffraction formula for microwave signals from Low Earth Orbit (LEO) satellites in a passive forward ...