In a landmark moment for modern astronomy, the Vera C. Rubin Observatory has unveiled its first-ever test images, and they’re ...

Armed with the world's largest digital camera, the Vera C. Rubin Observatory in Chile will take night-sky images that revolutionize astronomy.

PhoSim simulates the atmosphere, including air turbulence, as well as distortions from the shape of the telescope’s mirrors and the electrical properties of the sensors. The photons are propagated ...

When millions of people turn off their lights for Earth Hour each year, something remarkable happens in the night sky above ...

It's recommended for children between 8 and 45 pounds and can be used in four different holding positions — ...