Webb Telescope

Webb Weighs an Early Twin of the Milky Way

Astronomers have used JWST to weigh a galaxy in the early Universe, finding that it has roughly the same mass…

1 week ago

Fantastic New Image of the Sombrero Galaxy From Webb

You're looking at a fantastic new image of the Sombrero Galaxy captured by JWST. If you look carefully, you can…

4 weeks ago

Webb Completes Its Second Year of Operations

What happens when a spiral and an elliptical galaxy collide? To celebrate the second anniversary of the "first light" for…

5 months ago

The Universe Could Be Twice As Old if Light is Tired and Physical Constants Change

A new paper argues that the universe is 26.7 billion years old. But the model only works by assuming tired…

1 year ago

JWST Pioneer Passes Along Advice for Future Space Telescope Builders

After a quarter-century of development, NASA's James Webb Space Telescope is a smashing success. But senior project scientist John Mather,…

2 years ago

Webb has Now Taken the Sharpest Image the Laws of Physics Allow

Engineers and scientists for the James Webb Space Telescope have completed two more steps in the telescope’s primary mirror alignment…

3 years ago

NASA’s Webb Space Telescope Launch Delayed to 2019

The most powerful space telescope ever built will have to wait on the ground for a few more months into…

7 years ago

NASA Webb Telescope Resumes Rigorous Vibration Qualification Tests

Engineers have resumed a series of critical and rigorous vibration qualification tests on NASA’s mammoth James Webb Space Telescope (JWST)…

8 years ago