James Webb Space Telescope

Cosmic Dawn Holds the Answers to Many of Astronomy’s Greatest Questions

A new study takes a look at what astronomers will be able to see when the Cosmic Dawn becomes observable…

2 weeks ago

Pencil December 18th (tentatively) into your calendar. That’s when James Webb probably launches

You may have heard this one before, but encouraging news comes from NASA, ESA, and Arianespace today:  they are now…

3 weeks ago

Webb’s Testing is Complete. Now it Begins the Journey to the Launch Site.

Finally, it’s starting to get real for the James Webb Space Telescope. Engineers are now preparing the long-awaited landmark telescope…

1 month ago

James Webb’s Upper Stage is off to the Launch Site

The rocket that will carry the James Webb Space Telescope to space later this year is on its way to…

1 month ago

Another Delay for Webb, But This Time it’s Because of the Rocket, Not the Telescope

Officials from NASA and ESA this acknowledged the launch of the James Webb Space Telescope will very likely be delayed…

4 months ago

James Webb Unfolds Sunshield

It’s almost time. Soon the James Webb Space Telescope will be on its way to the Sun/Earth L2 Lagrange point…

9 months ago

There are Planets So Close to Their Stars That They Have Magma Oceans 100km Deep and Winds that Go 8000 km/h

200 light years away, “super earth” exoplanet K2-141b orbits a star so closely that its "year" is only 7 hours…

11 months ago

James Webb is Working Perfectly! On the Ground. Next Trick: Doing it From Space

The James Webb Space Telescope recently passed another critical milestone - the Ground Segment Test - and is on track…

1 year ago

James Webb Completes a Comprehensive Systems Test for the First Time

The James Webb Space Telescope just passed the critical Comprehensive Systems Test (CST), bringing it a step closer to its…

1 year ago

Well. It Looks Like James Webb is Getting Delayed Again, but it Should Still Launch in 2021

This is probably one of the least surprising announcements to come out of the coronavirus pandemic. During a virtual meeting…

1 year ago