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 […]

Kepler Finds a Very Wobbly Planet

This illustration shows the unusual orbit of planet Kepler-413b around a close pair of orange and red dwarf stars. The planet’s 66-day orbit is tilted 2.5 degrees with respect to the plane of the binary star’s orbit. The orbit of the planet wobbles around the central stars over 11 years, an effect called […]

NASA Mars Orbiter Examines Dramatic New Crater

A dramatic, fresh impact crater dominates this image taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter on Nov. 19, 2013.

Space rocks hitting Mars excavate fresh craters at a pace of more than 200 per year, but few new Mars scars pack as much visual punch […]