Einstein predicted that massive objects bend light as it passes through their gravitational field. This week, a new telescope ...

RR is a generator of syntax diagrams, also known as railroad diagrams. It is a self-contained tool with both a browser-based GUI and a batch mode. Besides generating diagrams from EBNF rules, RR also ...

Either way, we need to know more, which is why a lot rests on the shoulders of the Dark Energy Spectroscopic Instrument (DESI), based at the Mayall 4-meter telescope at Kitt Peak National ...

The Subaru Telescope in Hawai‘i is adding a new instrument to its arsenal, one that will observe the cosmos through a compound eye. The compound eye will allow Subaru to observe about 2,400 ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder ... They could then deploy a small “pickoff” reflector (a bit like a submarine’s periscope or a dentist ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in observations.. When you purchase through links on our site, we may earn an ...

The James Webb Space Telescope has spotted one of the earliest and most distant supernovas, marking the death of a stellar monster 20 times the mass of the sun. Supernovas in the early universe ...

Video of the largest photomosaic ever assembled from Hubble Space Telescope observations. The camera pans along the Andromeda Galaxy's vast disk which is over 200,000 light-years across. (Credit: ...