It was 30 years ago that the first space shuttle, Columbia, was launched. It was such a triumph of technology, engineering and organization that it's easy to forget the programme was primarily the product of an economy drive. The disposable Apollo missions had cost billions. A reusable craft was deemed more expedient.
An inspirational portrayal of the triumphs and tragedies punctuating the first 50 years of NASA's manned missions. From the pioneering Mercury launches to the daring Gemini project, this program reveals the epic behind the scenes struggle that ultimately carried men to the Moon.
2015 • Astronomy
Were "little green men" trying to contact us? Over 40 years ago, extremely constant pulses were detected reaching the Earth from outer space. It caused a great sensation. Using a radio telescope larger than a baseball field, scientists looked for the source of these signals and found - pulsars.