Shortly after Mercury reached its closest point to the sun, its massive, comet-like tail became unusually visible in the night sky and was captured in a stunning new photo.
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.