Ciaran and Dan look at what makes a planet in this classic episode of Mysteries of Science, and whether there's a mysterious extra planet – Planet X – just beyond Neptune, lurking in our cosmic neighbourhood. See omnystudio.com/listener for privacy information.

We’re diving into one of the greatest mysteries of all time – The Loch Ness Monster. From ancient legends to modern scientific investigations, we explore the history, sightings, and possible explanations for Nessie. Could she be a prehistoric creature, a giant eel, or just a trick of the imagination? See omnystudio.com/listener for privacy information.

We're off to the deepest part of the ocean today – the Mariana Trench – on the quest to find out what lurks in its waters and why it's so hard to explore... See omnystudio.com/listener for privacy information.

Michael and Stevie become interplanetary detectives as they investigate the solar system's hottest and most deadly murder mystery. Venus is often referred to as Earth's twin because the two planets are so similar. But if that's the case, then why is Venus is so inhospitable to life? We take a trip into space and find out what killed Venus... See omnystudio.com/listener for privacy information.

To celebrate the release of Moana 2, coming soon to cinemas, Dan and Stevie go on a journey to Polynesia to find out how thousands of islands thousands of miles apart were settled without the use of typical instruments using a technique known as wayfinding... See omnystudio.com/listener for privacy information.

Stevie and Michael sit down and chat with some top experts to find out how animals experience the world. From dolphins to octopuses to pets and more, we ask the question: are animals smarter than us?See omnystudio.com/listener for privacy information.

Hosts Dan and Michael delve into the enigma of Oumuamua, a mysterious object that passed through our solar system in 2017. Initially thought to be a comet or asteroid, Oumuamua's unusual characteristics led to speculation about its origins, including the possibility of it being an alien spacecraft...See omnystudio.com/listener for privacy information.

Michael and Stevie get answers to your burning questions in another episode of Mysteries of Science including a phenomena all about rainbows at night as well as what caused the extinction of the dinos.See omnystudio.com/listener for privacy information.

Inspired by the Harry Potter series, hosts Stevie and Michael explore magic potions! They uncover the real-life inspiration behind Professor Snape, revealing that a real potions master named Henry Lloyd Snape existed in the late 19th century... We also meet illustrator Johnny Duddle and ask you for your own ideas for magical potions!See omnystudio.com/listener for privacy information.

Are insects in our diets the new sustainable food source? We're sharing parts of our talk from Cheltenham Science Festival plus chatting to exports like dairy farmer, Rich.See omnystudio.com/listener for privacy information.