Nikon released its first long telephoto zoom lens for its mirrorless Z-mount cameras: the Nikkor Z 180–600mm F/5.6-6.3 VR.

Joe Baldwin of Oak Ridge National Laboratory will speak on “Planetary Imaging: Equipment and Methods.” The program is free ...

Harvard and Smithsonian (CfA), and its Submillimeter Array (SMA), were critical for identifying a cache of belts surrounding other stars beyond the sun where comets may reside. Regions around 74 stars ...