A new study shows that the event that wiped out the dinosaurs caused only a small drop in shark and ray species at the same ...
A few days ago, longtime Astronomy magazine contributor Chris Schur sent me the image you see here. It shows the famous Double Cluster in Perseus, also known as NGC 869 and NGC 884. Most images of ...
Though NASA was optimistic about launching four astronauts on a trip around the moon as early as Friday, the space agency is now looking at March after complications during a key preflight test. As it ...
Uranus stands stationary at midnight EST. Located in the constellation Taurus, the ice giant is visible after sunset and sets around 2 A.M. local time. Shining at magnitude 5.7, Uranus generally ...
With 274 confirmed moons as of March of 2025, Saturn is the solar system planet with the most natural satellites. By 1789, though, only five had been spotted: Titan by Christiaan Huygens in 1655, and ...
Commissioned with observing high-energy events, particularly solar flares, the High-Energy Solar Spectroscopic Imager (later renamed the Reuven Ramaty High-Energy Solar Spectroscopic Imager; RHESSI) ...
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