A long-delayed project to build the largest telescope in the Northern Hemisphere atop Mauna Kea in Hawaii has been given new ...

Price history: This is the cheapest the Celestron Nexstar 6SE has been since March, when it was $919. Since then, it has been ...

This makes it appear correspondingly smaller through a telescope—infinitesimally smaller, in fact, appearing as only a point ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

India and Japan are jointly building the world's largest and most powerful optical telescope. Its 30-meter wide mirror has ...

After years of development, the moment has finally arrived: a massive cryostat, an exceptionally advanced freezer, has ...

NASA’s latest innovations have transformed the telescope from a simple observational tool into a precision device capable of ...

The RedCat51 is a fantastic astrograph, but it had one major issue that bothered me—until now! Watch how I solved my biggest ...

There's always a touch of melancholy when a chapter that has absorbed years of work comes to an end. In the case of the ...

When peering into the cosmic past, the James Webb Space Telescope discovered a supermassive black hole that doesn't have a ...

UNM-Taos educators, astronomers and night sky enthusiasts gathered last week to break ground on the first phase of Cielo ...

The Southern African Large Telescope (SALT) has been awarded a prestigious Science Diplomacy Award at the closing ceremony of the 2025 Science Forum South Africa (SFSA), held from 24–28 November at ...