Science Space.com

Astronaut ice cream turns 50: freeze-dried treat still popular (even if it never flew)
NASA announces Artemis 2 moon mission backup astronaut — Andre Douglas will support 2025 lunar liftoff
Earth's upper atmosphere could hold a missing piece of the universe, new study hints
We could terraform Mars with desert moss — but does that mean we should?
SpaceX launching 20 Starlink satellites from Florida early on July 3
Scientists finally found 2 of the Milky Way's missing satellite galaxies. What could this mean for astronomy?