There are radio waves and signals coming towards us from all corners of the Universe causing a lot of noise in the night sky. While we may know where the majority of them are coming from there are some that are puzzling some of our astronomers.
Jonathan McCrea found out more from Dr Vikram Ravi - Assistant Professor of Astronomy at Caltech University.
After that Jonathan delved into the sexual exploits of the creatures of the deep blue sea. How do fish have sex? We heard all from Dr. Marah J. Hardt - Director of Discovery at the nonprofit Future of Fish and author of Sex and the Sea.
 
Image: NASA/JPL-Caltech/Space Science Institute
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