Comets
Stephen Curran: visiting Venus and giant comets
Kiwi-Scottish starman Dr Stephen Curran returns by popular demand to unpack cosmic goings-on. Audio
Calling Home: Peter Spear in Waikoloa, Hawaii
In 2005, Peter Spear and his wife Wendy decided to pack up and head off to Hawaii for a change of pace. The couple only intended to be there a few years, but 15 years later they still love their… Audio
Michele Bannister: interplanetary passions
Planetary astronomer Michele Bannister has recently arrived home after working in Canada at The University of Victoria in British Columbia, and at Queen's University in Belfast. A passionate… Audio
Richard Easther- what can a new interstellar comet tell us?
A new interstellar comet some 20 kilometres wide and trailing gas has recently been spotted entering our solar system. Audio
Alok Jha: The extraordinary story of our ordinary substance
Kim Hill talks to British journalist, author and broadcaster Alok Jha, whose science-related topics have included the history of meteorology, climate change politics, how much we should trust… Audio
Comet gives clues to Earth's beginning
The Rosetta spacecraft has detected significant levels of molecular oxygen coming from a comet, in a discovery that has taken astronomers by surprise.
Astronomy
Former Mt John University Observatory superintendent Alan Gilmore raises our gaze to the bodies floating in space. There is yet more to say about the spacecraft Rosetta's findings from comet 67P. Audio
Scientist, Astronomy
Mt John University Observatory superintendent Alan Gilmore raises our gaze to the planets and stars and beyond - the BICEP2 polarisation measures in the cosmic microwave background. Audio
Scientists warn of comet blind spot over Southern Hemisphere
There's a warning from some scientists that Earth has been left with a huge blind spot for potentially devastating comet strikes after the only dedicated comet-spotting program in the Southern… Audio