Buying a telescope is a big step, especially if you’re not sure what all those terms — f/ratio, magnification, go-to — mean. So, to eliminate confusion and make sure you understand what you’re buying, ...

Here’s what deep-space objects are, what optics you’ll need to see them and how to plan your observing. When you purchase ...

Scientists in Japan have developed a high-resolution X-ray telescope sharp enough to distinguish an object just 3.5 mm wide from one kilometer away, by combining precision mirror-making technology ...

Go outside right now. What’s the farthest thing you can see? A tree? A bird? What about the Moon? It’s 250,000 miles away. The Sun is 400 times farther than that, at nearly 100 million miles (but ...

Chile's Atacama desert has become a hub of world-class astronomy, with some of the clearest views of our universe. A new ...

Ahead of schedule and under budget, the Nancy Grace Roman Space Telescope will launch in early September. The mission aims to ...

NASA's Nancy Grace Roman Space Telescope will be unveiled as the agency prepares to launch the observatory into the cosmos ...

Transparent telescope brings 'stunning deep-sky details' closer to home While I enjoy stargazing as much as the next person, I also love to know how things work – to get under the hood. French smart ...

NASA is aiming for an early September 2026 launch of the Roman Space Telescope, a powerful new observatory that could transform astronomy with massive infrared sky surveys, huge data returns, and ...