The optical frequency comb, a spectrum of optical radiation composed of evenly spaced and phase-coherent narrow spectral lines, was initially developed for precise time and frequency measurements.

The National Science Foundation’s Astronomy Senior Review report, released today, contains a variety of recommendations related to the National Optical Astronomy Observatory. “NOAO welcomes the ...

PCMag editors select and review products independently. If you buy through affiliate links, we may earn commissions, which help support our testing. As it develops satellite-based cellular ...

The skies are much more crowded than they once were, and astronomers are paying the price. A new study from scientists in Europe explored the impact of SpaceX's new generation of internet satellites ...

China and India are catapulting to the forefront of astronomy research with their decision to join as partners in a Hawaii telescope that will be the world's largest when it's built later this decade.

New astronomical facilities, such as the under-construction Large Synoptic Survey Telescope and planned 30-meter-class telescopes, and new instrumentation on existing optical and infrared (OIR) ...