The explosive growth in satellite numbers in low Earth orbit is proving problematic for space telescopes.

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 ...

The increasing number of satellites orbiting Earth is causing light pollution, disrupting the Hubble and other telescopes' ...

Optical telescopes utilize refraction and reflection to focus light, enabling detailed astronomical observations and ...