The science behind NASA’s ‘ghost hand’ image

Two of NASA’s orbiting X-ray observatories have combined efforts this Halloween, imaging a ghost hand reaching out to us from space. But all is not as it appears. This skeletal hand is actually the glowing gas of a pulsar wind nebula. This nebula, energized by the super-hot, super-magnetic remnant of […]

NASA’s Webb Telescope Improves Simulation Software

The James Webb Space Telescope truly explores the unknown, displaying stunning images of previously unseen corners of the universe only possible because of the telescope’s 21-foot segmented mirror that unfurled and assembled itself in space. Decades of testing went into the materials, design, and processes needed to develop the largest […]