Have you heard about LaserSETI, a SETI Institute project to search for lasers originating from extraterrestrial intelligence? The idea is that advanced civilizations might be using lasers for a ...

The W.M. Keck Observatory switched on both its adaptive optics lasers last month, creating the amazing spectacle of two powerful lasers firing into space simultaneously. If you were lucky enough to be ...

In a high-altitude test that could reshape the future of global satellite communications, China has successfully transmitted data at 1 gigabit per second (Gbps) from a geostationary orbit using a ...

LISA, the Laser Interferometer Space Antenna, will be a revolutionary instrument that will allow humanity to observe gravitational waves from events we can’t track with the observatories on Earth.

The four beams produced bright artificial “stars," which act as guides to help astronomers correct for the distortions caused ...