Dr Alice Roberts finds out how the experts put dinosaur skeletons back together, with muscles, accurate postures and even, in some cases, the correct skin colour. Show more
The Sky at Night
What Have UFOs Done for Us?
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
How our drive to explain the bizarre phenomena of UFOs, and desire to discover little green men, has transformed our understanding of the universe. Show more
The Sky at Night
Inside God's Observatory: Special
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
The team have been granted rare access to the Vatican and its observatory, the Specola Vaticana, where they explore its rich history and contemporary cutting-edge science. Show more
The Sky at Night
Five Greatest Images of the Solar System
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
From a view of the surface of Mars to live pictures of the sun, a look at the five greatest images captured by spacecraft. Show more
The Sky at Night
Wonders of the Night Sky
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
Celebrating one of the most profound, moving and enjoyable activities there is - the ancient art of looking up, studying and marvelling at the night sky. Show more
The Sky at Night
In the Blink of an Eye
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
Exploring the world of transient phenomena, including the event that created the recently-detected gravitational wave, the collision of two neutron stars. Show more
The Sky at Night
Planet 9 from Outer Space
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
The team investigates the search for Planet 9, after two American astronomers claimed they had found evidence for a ninth planet in our solar system. Show more
The Sky at Night
The Mystery of 'Oumuamua
30 minutes
First broadcast: on BBC Four HDLatest broadcast: on BBC Four HD
The team investigates the first ever object to visit our solar system from outer space - 'Oumuamua. Its discovery set off a hurricane of press speculation. Show more
The Sky at Night
The Brightest Star
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
The team explore stargazing in the daytime, show how seasons change on other planets across the solar system and examine what makes the sun special. Show more
The Sky at Night
The Hunt for ET
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
Are we alone? Geneticist Dr Adam Rutherford seeks to define what life is and Maggie Aderin-Pocock explores our chances of finding it in the universe. Show more
The Sky at Night
How to Catch a Comet
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
The team is at mission control as the Rosetta probe catches up with the comet it has been chasing across the solar system and prepares to send out a lander. Show more
Documentary which maintains that the real pioneers of space exploration were the Soviet cosmonauts, telling the story of how the Russians led us into the space age. Show more
The Sky at Night
First Rock from the Sun
29 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
The Sky at Night investigates how Mercury probe BepiColombo was built, how it will get to Mercury and what it hopes to discover. Show more
How Earth Made Us
Episode 1: Deep Earth
59 minutes
First broadcast: on BBC Two EnglandLatest broadcast: on BBC Two Northern Ireland HD
Series telling the story of how the development of civilisation was influenced by planetary forces. Professor Iain Stewart explores the role of the Earth's interior. Show more
How Earth Made Us
Episode 2: Water
1 hour
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Two Northern Ireland HD
Professor Iain Stewart continues his epic exploration of how the planet has shaped human history. He investigates how water has influenced the rise and fall of civilizations. Show more
The Sky at Night
Playing With a Clockwork Universe
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
The team looks at the dynamic nature of the universe, winding its timeline backwards and forwards to reveal how the night sky changes over time. Show more
The Sky at Night
Cosmic Blasts
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
The Sky at Night team look at cosmic explosions, including those of our sun and the most violent and energetic events in the universe, gamma ray bursts. Show more
The Sky at Night
Second Earth?
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
Investigating the techniques that are revealing so much about planets outside our solar system. Are we really any closer to finding another world like our own? Show more
The Sky at Night
Jupiter: Weather and Moons
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
The revamped team look at Jupiter's coloured bands and iconic 'eye', visible manifestations of a violent atmosphere that causes extraordinary weather. Show more
The Sky at Night
Sounds of the Universe
30 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
Exploring how sound can reveal secrets about the universe, from orchestral tunes rippling on the surface of the sun to the crackle of Jupiter's atmosphere. Show more