The night sky has long sparked wonder and curiosity. Early civilizations studied the stars and tracked celestial events, ...

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 ...

In January in Monterrey, Mexico, Iván Venzor was one of only a dozen people in the world to glimpse a potential Jupiter-sized planet crossing in front of a distant star. It happened too fast to see by ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Katelyn Eaman can appreciate the power of the sun better than most. The geology graduate student researches how Mars’ now-barren landscape was carved and transformed by ancient waterways. That water ...

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 AstroMaster 102AZ is one of Amazon's best selling beginner telescopes and rated for its ease of use and versatile performance. When you purchase through links on our site, we may earn an affiliate ...

After a string of dramatic failures, the huge Starship rocket from SpaceX had a fully successful test on Oct. 13, 2025. A ...