Nearly three decades ago, a handful of employees left their jobs at Omega Optical and founded Chroma Technology in Vermont. Since then, the company, which is entirely owned by its roughly 150 ...

NASA’s Nancy Grace Roman Space Telescope will be able to explore even more cosmic questions, thanks to a new near-infrared filter. The upgrade will allow the observatory to see longer wavelengths of ...

The filters on NASA’s Roman Space Telescope Coronagraph Instrument’s Color Filter Assembly each block all but a specific color, or wavelength, of light. Many of the filters appear dark in this photo ...

On June 9, SRON Netherlands Institute for Space Research sends its contributions to the XRISM X-ray telescope to Japan, where space agency JAXA will mount it on the satellite. SRON has been working on ...

You can now get one of the best telescopes on the market and get a free solar filter, just in time for the next solar eclipse on April 8. When you purchase through links on our site, we may earn an ...