I recently attended the annual Astronaut Hall of Fame at the Kennedy Space Center in Orlando. It was a time to see old friends, many of whom are Hall of Famers and several of whom were being inducted into this prestigious group. It is very special for me to wear the large, heavy gold medallion that marks those who are part of this group. All the Hall of Fame members entered the large ballroom according to the date of our first flight. My...

Our universe is vast—but that doesn’t mean things don’t run into each other.  Some say our moon was formed out of the debris from an Earth impact with a huge boulder named Theia. And later in Earth’s history, the dinosaurs and most life on our planet may have been destroyed by collision with an asteroid. On some dark nights, we can see meteors burning up as they enter our atmosphere. It’s no surprise then that our spacecraft sometimes get...

How do Astronauts keep in touch with their families when they are orbiting the Earth? Communicating with loved ones became more sophisticated over time.  In the beginning, families could send up brief messages with other NASA information to the Shuttle’s antiquated printer. Later on, those few words could be sent with packets of information to our onboard computer.  Neither of those methods were private, and so they were painfully terse: “Miss...

These modern-day heroes became my friends in the Shuttle’s heyday.  All are very bright (some brilliant), friendly, hard-working, reliable, and productive.  I had the opportunity to serve twice on selection boards for new astronauts.  We liked to say we were looking for high-performing, low-maintenance people. That is not to say they were serious all the time.  In fact, they were the most fun-loving people I have ever known.  There was the...