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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 ...

For the first time, scientists have used Earth-based telescopes to look back over 13 billion years to see how the first stars in the universe affect light emitted from the Big Bang. Using telescopes ...

These easy-to-use telescopes make an ideal first setup, offering simple assembly and great views — all now reduced for Black Friday. When you purchase through links on our site, we may earn an ...

The caution comes as Ramadan moon sighting date coincides with a solar eclipse earlier in the day, significantly increasing risks associated with optical observation.

Rochester Institute of Technology astrophysicist Jeyhan Kartaltepe will be one of the first scientists to use NASA’s James Webb Space Telescope soon after it launches in spring 2019. The Webb ...