The night sky has long sparked wonder and curiosity. Early civilizations studied the stars and tracked celestial events, predicted eclipses and used their observations to construct calendars, develop ...

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 ...

The home page provides us with two options, allowing us to choose between the Hubble and the JWST. Upon selecting one, we are ...

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 ...

Radio telescopes let you study the universe by collecting faint radio waves from distant objects. To see extremely small ...

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 ...

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

ROCKWOOD, Texas – During the day, this patch of land in sparsely populated central Texas is not remarkable. Eleven buildings, nearly identical, look like bland, oversize backyard sheds. Several large ...

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 ...