Natalie Batalha
'Learning about the universe increases your empathy'
30 Sep 2017
Other potentially habitable planets are far away and hard to find but there are over 10 billion in our galaxy, says NASA astrophysicist Dr Natalie Batalha. Audio
NASA announces exoplanets discovery
23 Feb 2017
Nasa has just announced the discovery of seven Earth-sized planets that orbit stars other than our sun. We talk to Nasa scientist Natalie Batalha. Audio