From unexplained flashes in the night sky to flying saucers, the team delves into the mysterious world of UFOs. How our drive to explain these phenomena, and desire to discover aliens, has transformed our understanding of the universe.
For 25 years the Hubble Space Telescope has been showing us the cosmos as we've never seen it before. The team reveals the 'top five' greatest images Hubble has produced, images that have astounded us.
The team explores our nearest neighbour Venus, discovering how it formed and how ESA's Venus Express spacecraft has revealed the secrets of its atmosphere.
The story of NASA's visit to Pluto, the first time a probe has visited the dwarf planet. With expert insight into the latest images from the New Horizons probe.
The Sky at Night team look at cosmic explosions. They explore the beautiful but potentially deadly outbursts of our very own star - the sun - and the most violent and energetic events in the universe, gamma ray bursts.
As we close in on the discovery of the 2,000th planet outside our solar system, or exoplanet, the programme asks if we are really any closer to finding another world like our own - a second Earth.
The team go in search of the potential causes of the Star of Bethlehem. The list of candidates includes supernovae, comets, meteors and unusual alignments of the giant planets.
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Top Gap
By what name was The Sky at Night (1957) officially released in Canada in English?