Dan is here once again with his special research rocket ship to take you into the depths of space, and we'll be spending some time with the animals down on Earth too! Conservationist and wildlife expert Lizzie Daly is here this week to tell you how you can make a difference and do your part to help animals. She's talking about the Actions for Animals Guide, a list of 50 simple actions that foster coexistence between animals and people!

Samples from the most DANGEROUS rock in the solar system have been collected in a capsule, there's been a big discovery in dark matter, and you'll find out what happens if you go inside a black hole... all that and more to come!