A New Look at 'Ocean Worlds': James Webb Space Telescope Will Target Europa and Enceladus

An example of possible spectroscopy results from one of Europa’s water vapor plumes. Image Credit: NASA-GSFC/SVS/Hubble Space Telescope/Stefanie Milam/Geronimo Villanueva

NASA’s upcoming James Webb Space Telescope (JWST) will be used to study two of the most fascinating moons in our Solar System – Europa and Enceladus, also known as “ocean worlds” since both have […]

Schedule Conflict May Delay Launch of James Webb Space Telescope to 2019

Arianespace Ariane 5 French Guiana ESA Ariane 5 rocket GSAT 1 image credit Arianespace posted on AmericaSpace

The massive Arianespace Ariane 5 rocket, seen here in action, is contracted to launch the James Webb Space Telescope from ESA’s launch site in French Guiana. Photo Credit: ESA – CNES Arianespace Optique video du CSG JM Guillon

A time-sensitive mission to explore the planet Mercury, already delayed several times, may force the European […]

Webb Enters Giant Test Chamber for 3 Month Final Deep-Freeze Before Launch Next Year

NASA’s James Webb Space Telescope sits in front of the door to Chamber A, a giant thermal vacuum chamber located at NASA’s Johnson Space Center. The telescope was moved into the chamber on June 20, where it will spend the summer undergoing 93 days of tests at sub-freezing cryogenic temperatures. The telescope will operate […]

James Webb Space Telescope Arrives at Johnson Space Center for Cryogenic Testing

The giant 18-piece mirror of the James Webb Space Telescope, inside the cleanroom at Johnson Space Center. Photo Credit: NASA/Chris Gunn

Often referred to as the successor for Hubble, the James Webb Space Telescope (JWST) is one of the most highly anticipated space telescopes ever built. A large infrared telescope with a 6.5-meter primary […]

NASA Engineers Complete First 'Center of Curvature' Test on James Webb Space Telescope

Engineers conducting a white light inspection of the James Webb Space Telescope, currently located in the clean room at NASA’s Goddard Space Flight Center in Greenbelt, Md. Photo Credit: NASA/Chris Gunn

The James Webb Space Telescope (JWST) has completed another significant milestone toward becoming the most powerful space telescope ever built: the finished primary […]

James Webb’s Critical Science Component Completes Essential Tests, While Telescope Is “Optically Complete”

NASA engineer Ernie Wright looks on as the first six of eighteen flight ready James Webb Space Telescope’s primary mirror segments are prepped to begin final cryogenic testing at NASA’s Marshall Space Flight Center (photo previously published). Photo Credit: NASA/MSFC/David Higginbotham

Less than 36 months from its launch, the James Webb Space Telescope (JWST), […]

All Webb Telescope's 18 Primary Gold-Coated Mirrors Now Installed to Unravel Mysteries of the Universe

From NASA: “Inside a massive clean room at NASA’s Goddard Space Flight Center in Greenbelt, Maryland the James Webb Space Telescope team used a robotic am to install the last of the telescope’s 18 mirrors onto the telescope structure.” NASA/Chris Gunn

Construction of the James Webb Space Telescope (JWST), a NASA, European Space Agency […]

Webb Telescope Component Completes Critical Tests as Mirror Installations Continue

Less than three years from its launch, the James Webb Space Telescope (JWST), an international collaboration between NASA, the European Space Agency (ESA), and the Canadian Space Agency (CSA), continues to take shape. As 2015 rolled into 2016, engineers working on the JWST have been busy testing one of its essential science components. On […]

Ariane 5 Contracted for Early Morning Webb Telescope Launch from Amazon in October 2018

Arianespace Ariane 5 French Guiana ESA Ariane 5 rocket GSAT 1 image credit Arianespace posted on AmericaSpace

The massive Arianespace Ariane 5 rocket, seen here in action, is now contracted to launch the James Webb Space Telescope from ESA’s launch site in French Guiana. The rocket and its multi-billion dollar space observatory, if launched on the current schedule, will fly into early morning skies from the edge of the Amazon rainforest […]

First of 18 Mirrors Installed as Final Assembly Phase for NASA's James Webb Space Telescope Begins

The first of 18 mirrors being installed in the James Webb Space Telescope, in the clean room at NASA’s Goddard Space Flight Center. Photo Credit: NASA/Chris Gunn

The James Webb Space Telescope (JWST) just took a big step toward reality with the successful installation of the first of its many flight mirrors. This is […]