The DSCOVR satellite's Earth Polychromatic Imaging Camera (EPIC) captured the moon transit the Earth. Credit: Space.com | ...

The Perseverance Mars rover's Mastcam-Z camera the Martian moon Phobos transit the Sun. See real-time and time-lapsed views ...

We’ve observed with concern a rising trend in human spaceflight discussions: the suggestion that we bypass the moon and send humans directly to Mars. In light of this, we believe it is critical to ...