Satellites come in all shapes and sizes, but there aren’t any that look quite like SPHEREx, an infrared observatory NASA launched Tuesday night in search of answers to simmering questions about how ...

— -- As humans, we're limited by what we can see with the naked eye. While we're biologically suited to looking at things up close, our eyes can't zoom in to take a look at far-away objects. But ...

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

It's the last clearly observed supernova in the Milky Way, Gassel said.

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 ...

D printing your own telescope is rewarding and customizable, but it rarely saves money once optics, materials, and time are ...

The James Webb Space Telescope is not circling our planet the way most people imagine a satellite does. Instead, NASA parked ...

Using a phenomenon known as gravitational lensing, it might be possible to use the sun as a gigantic telescope to peer deep into space. When you purchase through links on our site, we may earn an ...

T he Hubble Space Telescope (HST) has been pivotal to progress in the last three decades of astronomy and cosmology.

Whether you’re a life long stargazer, or you’ve just made a spontaneous Black Friday purchase, NASA is offering you a guided tour of the cosmos in 2025. To celebrate 35 years of Hubble’s observations, ...

Perfect for families and kids — the Celestron Powerseeker 50AZ is now only $51, allowing you to enjoy views of the night sky without breaking the bank. The Celestron PowerSeeker 50AZ is now only $51 ...