Nasa's New Horizons probe notches up another historic first - the first ever Kuiper belt fly-by and an encounter with a chunk of rock and ice four billion miles from Earth.
Comets and asteroids have been witnessed in our skies for millennia, but only now can we see these tiny, mysterious worlds up close. What will the next one bring us?
Insight - NASA's latest mission to Mars - goes in search of the secrets below its surface to reveal how the planet was formed and why it is so different from the Earth.
A behind-the-scenes encounter with the scientists from the Event Horizon Telescope, which captured the first-ever picture of a super-massive black hole.
In 1969, Neil Armstrong became the first astronaut to set foot on the moon. Fifty years on, are we on the verge of a new golden age in lunar exploration?
A look back through the archives showing how, with special assistance from Nasa, the BBC reported the Apollo 11 mission, the first lunar expedition to put a man on the moon.
What are the criteria for deciding which missions make it into space? The Sky at Night meets the British teams vying to have their ideas selected for the European Space Agency's next F-class mission.
Astronomers have found more than 4,000 planets circling stars other than our own. What do we know about these alien worlds and how have we managed to detect them?
A one-hour special in which The Sky at Night team face a live studio audience to answer their questions about the mysteries and wonders of the universe.
The Rosetta mission to comet 67P was the first time a spacecraft landed on a comet's surface. What has this icy body taught us about the dawn of the solar system and the origins of life on earth?
Looking back on the major stories of 2019, from the New Horizons mission to the most distant world to the release of the first-ever picture of a black hole. The team relive the highlights and uncover the latest developments.
Chris Lintott opens up The Sky at Night's 60-year archive to reveal how stars work, their life cycles and how their own demise holds the key to our very existence.
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By what name was The Sky at Night (1957) officially released in Canada in English?