Thanks for being here tonight, folks. Stay curious.

Good evening, beautiful insomniacs, and welcome to Nova After Dark. I’m your host, and boy, do we have a bittersweet space story for you tonight.

So, May 16th, 2011—Space Shuttle Endeavour launched from Kennedy Space Center on what would be the final flight for the shuttle program. The twenty-fifth and final flight. You know what that means? NASA had to do what every parent does when their kid leaves for college: pretend they’re fine while secretly crying into a Tang packet.

And here’s the thing that kills me—this wasn’t even supposed to be the last one! According to our historical record, back in 2010, Space Shuttle Atlantis launched on STS-132, and at that point, everyone thought that might be the finale. NASA was like, “Well, probably Atlantis. Or maybe Endeavour. Who knows? We’ll figure it out.” It’s like when your mom says, “This is probably the last time I’m going to mention your life choices,” and then she brings it up for another seven years. Except with rockets.

Think about the timeline here. Atlantis launches in 2010, and people are thinking, “Okay, this could be it.” Then Endeavour shows up in 2011 like, “Actually, I’ve got one more run in me,” and NASA’s like, “Oh thank God, because we’re not emotionally prepared yet.” It’s the space equivalent of a farewell tour that goes on for a year. Like when a rock band says they’re breaking up and then does seventeen more shows.

Here’s my favorite part—Endeavour was delivering components to the International Space Station. So on its last mission ever, this shuttle was basically playing delivery driver. Thirty years of pushing the boundaries of human spaceflight, and your final job is like being DoorDash for astronauts. “Yeah, I’ll just drop this Russian component right here at the ISS. Leave it by the airlock. No signature required.” Talk about going out on a high note!

You know what’s wild? We were so committed to the shuttle program that we had this massive infrastructure built around it. Launch pads, maintenance facilities, an entire culture of people who dedicated their lives to these machines. And then—plot twist—we’re done. Just like that. It’s like spending thirty years perfecting your signature handshake and then realizing nobody’s shaking hands anymore.

But here’s what gets me, and I mean this sincerely: Endeavour represented something genuinely incredible. This wasn’t just a vehicle; it was a symbol that we, as humans, could build something so complex, so ambitious, that it could go to space. Repeatedly. Safely. With people inside. That’s insane. We’ve become so used to space travel that we forget how utterly bonkers that is.

The shuttle program ended, and you know what we did? We shifted to commercial spaceflight. SpaceX, Blue Origin—suddenly, it’s not just NASA anymore. It’s like we trained for the space equivalent of the Olympics for thirty years, and then we said, “Cool, now everyone gets to play.” Which is either the most democratic or the most chaotic thing we’ve ever done. Probably both.

So here’s to Endeavour, making its final voyage, carrying supplies to the orbiting laboratory above our heads. May we never forget that for three decades, we built machines that could punch through the atmosphere and dock with a space station. And may we remember that the end of one program isn’t failure—it’s just the next chapter opening up.

Thanks for being here tonight, folks. Stay curious.