On Monday, NASA — in tandem with the White House — released an incredible deep-field image taken by the James Webb Space Telescope (JWST), which demonstrates how this telescope will be able to look ...

The image’s subject is the galaxy cluster MACS0416, roughly 4.3 billion light-years from here. In point of fact, it’s actually two smaller galaxy clusters in the process of smashing into one another.

It's easy to get the impression that NASA's James Webb Space Telescope was built to outright replace what's perhaps history's most important space telescope, the Hubble Space Telescope. But because ...

In 1990, a new eye into the cosmos launched from Kennedy Space Center. Hubble, a revolutionary new telescope, would soon bring a level of clarity and wonder to scientists and citizens alike. Hovering ...

Never has a measurement of cosmic expansion achieved such precision. It reveals that the universe is expanding faster than ...

NORFOLK, Va. — The year was 1990. The groundbreaking Hubble telescope was first launched into orbit, but it didn’t take long for scientists to see something was wrong. At the time it was called the ...

After 25 years, the Hubble Space Telescope is still surprising us. Hubble has been called the most important advance in astronomy since Galileo, and its greatest discoveries might still be ahead. When ...