For most of us who are not astronomers, the image that comes to mind when describing a reflecting telescope is of a huge instrument in its own domed-roof building on a mountain top. But a ...

It's been about 30 years since NASA astronauts saved the Hubble Space Telescope on an immensely daring mission. At the time, it was perhaps the most daring mission scientists had conceived of.. In ...

As satellites crawl across the sky, they reflect light from the sun back down to Earth, especially during the first few hours after sunset and the first few hours before sunrise. As more companies ...

One Maunakea telescope has been partially removed, but the building that housed it will remain standing until next year. After months of delays, workers began taking apart CSO’s telescope in June, and ...