After going over some last-minute eclipse planning notes, Stephen and Jason start a new series looking at NASA's pre-shuttle crewed missions, starting with testing for Project Mercury and America's first astronauts.
Jason and Stephen are joined by Dr. Katie Mack, a theoretical astrophysicist working at the University of Melbourne on dark matter and the potential it has to change our understanding of the universe, physics and more.
There are a bunch of milestones to celebrate this week: Juno's been at Jupiter for a year, Stephen built his LEGO Saturn V and Pathfinder landed on Mars 20 years ago.
This fortnight, our intrepid explorers talk about NEEMO, newly-discovered exoplanets and the Parker Solar Probe.
Jason and Stephen discuss the 2016 film Hidden Figures.
This week, Jason and Stephen talk about lunar and solar eclipses in preparation of a total solar eclipse in North America coming up in August.
This fortnight, Jason and Stephen cover a possible future Pluto mission, SLS delays and the X-37B spaceplane.
This fortnight we discuss Cassini's daring death dives inside Saturn's rings before the end of its mission, exciting news from our solar system's ocean moons and hints of a change in planning for future exploration of Mars.
After visiting Jupiter, Saturn, Uranus and Neptune, the Voyager probes are now probing the very edges of our solar system — and beyond.
This fortnight brings a flight-proven Falcon 9 launch, news about Enceladus' ice sheets and the return of the mighty RS-25.