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 ...

While the sun is usually the star of the summer, this year, the moon has stolen some of its spotlight, thanks to the 50th anniversary of the Apollo 11 landing and the glut of things it has inspired, ...

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The Large Binocular Telescope on Mount Graham, Ariz., has taken celestial images using its twin side-by-side, 8.4-meter (27.6 foot) primary mirrors together, achieving first "binocular" light. U.S., ...

There’s something intriguing about the unknown, especially when it’s hurtling towards our solar system. Astronomers and ...

Technological limitations for manufacturing large, round telescopes has experts considering unconventional shapes to improve ...