Six hours of patience and preparation, and Buzz Aldrin and Neil Armstrong are ready to open the hatch.

After their dramatic landing, the astronauts' scheduled rest was never going to happen.

After their dramatic landing, the astronauts' scheduled rest was never going to happen.

This is it. Buzz Aldrin and Neil Armstrong begin their descent to the lunar surface. But all does not go to plan...

This is it. Buzz Aldrin and Neil Armstrong begin their descent to the lunar surface. But all does not go to plan...

As the Apollo 11 crew finalise their lunar orbit, they drift around to the far side of the moon - and out of radio contact...

As the Apollo 11 crew finalise their lunar orbit, they drift around to the far side of the moon - and out of radio contact...

So far on their journey to the moon, the Apollo 11 astronauts haven't been inside the Lunar Module - that's about to change...

So far on their journey to the moon, the Apollo 11 astronauts haven't been inside the Lunar Module - that's about to change...

As they continued their trip to the moon, the Apollo 11 astronauts had to figure out how to live in space

As they continued their trip to the moon, the Apollo 11 astronauts had to figure out how to live in space

Exactly 50 years ago, the three Apollo 11 astronauts were on their way to the moon - and they shared their view with those watching closely back on Earth.

Exactly 50 years ago, the three Apollo 11 astronauts were on their way to the moon - and they shared their view with those watching closely back on Earth.

50 years after the Apollo 11 mission successfully landed humans on the moon, hear about the journey's crucial moments - and the near misses.

50 years after the Apollo 11 mission successfully landed humans on the moon, hear about the journey's crucial moments - and the near misses.

ABC podcast Little Tiny explores world history via the small things that have shaped it - all in the space of a coffee break! In this episode, host Kara Schlegl delves into the discovery of the cosmic microwave background. To hear more, search for Little Tiny on the ABC Listen app, or wherever you get your podcasts. Host Kara Schlegl Producer Bryce Halliday History consultant Zoë Tan Executive Producer Joel Werner

ABC podcast Little Tiny explores world history via the small things that have shaped it - all in the space of a coffee break! In this episode, host Kara Schlegl delves into the discovery of the cosmic microwave background. To hear more, search for Little Tiny on the ABC Listen app, or wherever you get your podcasts. Host Kara Schlegl Producer Bryce Halliday History consultant Zoë Tan Executive Producer Joel Werner

We join two observers for a total eclipse of the sun.

We join two observers for a total eclipse of the sun.

The International Space Station is travelling in low Earth orbit at a leisurely 7.66km per second (approx). Moving at that speed, the crew of the ISS witnesses a sunrise and sunset every 90 minutes.

The International Space Station is travelling in low Earth orbit at a leisurely 7.66km per second (approx). Moving at that speed, the crew of the ISS witnesses a sunrise and sunset every 90 minutes.

The search for alien life continues but at what point do we declare that we are alone in the Universe?

The search for alien life continues but at what point do we declare that we are alone in the Universe?

You'd think we'd notice thousands of explosions in the night sky. Shorter than a millisecond, these bursts were first recorded in 2007 and while scientists know they're there, we are still unsure of their origin.

You'd think we'd notice thousands of explosions in the night sky. Shorter than a millisecond, these bursts were first recorded in 2007 and while scientists know they're there, we are still unsure of their origin.