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 […]

Hubble Observes Largest Group of Faintest and Earliest Galaxies Ever Seen

Hubble view of a galaxy cluster containing some of the smallest and youngest galaxies ever observed. Image Credit: NASA/ESA/HST Frontier Fields team (STScI)

Peering ever further back in space and time, the Hubble Space Telescope has glimpsed the largest known group of the faintest and youngest primordial galaxies ever—over 250—some of which are […]

A Colorful World: New Images of Pluto Show Blue Skies and Red Water Ice

The blue skies of Pluto, as seen in this image from New Horizons. Pluto is backlit by the Sun, revealing the multilayered hazes in the atmosphere. Soot-like particles in the atmosphere scatter sunlight in a way that the atmosphere appears blue, similar to what happens on Earth. Image Credit: NASA/JHUAPL/SwRI

As new images […]

Methane Discovered in Martian Meteorites: A Clue to Possible Life?

Methane has been discovered in some meteorites originating from Mars. Could it be a clue to life? Image Credit: Michael Helfenbein

The puzzle of methane on Mars has taken an interesting new twist: For the first time, the gas has been detected within Martian meteorites. The finding adds another layer to the ongoing […]