W.M. Keck Observatory imagery of star system HR 8799 have been time-lapsed. The system hosts four planets that are more ...
The Hubble Space Telescope has captured imagery of the R Aquarii binary star system from 2014-2023. The images have been time ...
After sunset on Oct. 5, the bright waxing gibbous moon and Saturn will tango above the eastern horizon. The two will travel ...
Delta Cephei, the archetype Cepheid variable star, is located in the constellation Cepheus, a circumpolar constellation visible in the northern sky. Delta Cephei's position can be determined relative ...
Stargazers in the U.S. will witness the razor-thin waning crescent moon rise close to Venus and the bright star Regulus in the predawn sky on Sept. 19, while others will see the lunar disk pass ...
Three celestial bodies will be meeting up for one night in September in a cosmic party that should be widely visible in the sky, including in Kentucky. What makes the close approach of the objects so ...