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 ...

Scientists are using powerful telescopes to study exoplanet atmospheres for signs of life. New missions could soon reveal ...

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 ...

"We're going to do it in three years, and we're going to do it for a ridiculously low price," Pete Klupar, executive director ...

The best telescopes for professional astrophotography will allow you to capture high-definition images of planets, nebulas and galaxies.

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground ...

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 ...

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