For most of Earth's history, life was limited to the microscopic realm, with bacteria occupying nearly every possible niche.
Loading
Fossils: January 2021
Calendar
- 26 Oct: What makes a planet habitable?
- 27 Oct: NASA Heliophysics Advisory Committee Meeting
- 2 Nov: ISS National Lab User Advisory Committee to Host Introductory Meeting
- 3 Nov: 24th Annual FAA Commercial Space Transportation Conference
- 8 Nov: Spaceflight for Everybody Virtual Symposium
- * Submit Your Event | More Events *
Recent Articles
Masthead
Tip your editors
tips@spaceref.com