Sam Durrance, who as an astronomer was one of the first non-career astronauts to fly after the loss of space shuttle Challenger, has died at 79. Durrance flew twice accompanying the payload he built.
NASA’s Psyche probe will launch to a metal asteroid on Oct. 12 — and scientists are sneaking a peek at the target
The James Webb Space Telescope and the now-retired SOFIA telescope, impressive as they may be, have hit their limits when it comes to studying Psyche.