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 ...

A research team has investigated quasar variability by tracking optical to mid-infrared (MIR) wavelengths of variability ...

PCMag editors select and review products independently. If you buy through affiliate links, we may earn commissions, which ...

Researchers using the Low Frequency Array (LOFAR) radio telescope in Europe have discovered the second generation of Starlink satellites emit higher levels of radio waves that could pose a serious ...

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 ...