The Wolbach Library wishes good health to everyone during this unprecedented global crisis.
- The first observed interstellar comet, 2I/Borisov, shed millions of gallons of water into space;
- Watch a vintage NASA Aeronautics and Space Report on Moon spacewear;
- The Hubble Telescope celebrates 30 years of operation with a slideshow of anniversary images constructed with telescope data;
- “Houston, we’ve had a problem!” NASA remembers the Apollo-13 mission on its 50th anniversary;
- Why have we not observed widespread galactic colonization? Astrophysicist Jason Wright models the Fermi paradox.