The four most promising worlds for alien life in the solar system

NASA's Curiosity Rover takes a selfie on Mars in June, 2018. NASA/JPL-Caltech/MSSS, CC BY-SA The Earth’s biosphere contains all the known ingredients necessary for life as we know it. Broadly speaking these are: liquid water, at least one source of energy, and an inventory of biologically useful elements and molecules.Continue Reading

Mayflower 400: how the pilgrims coped with separation

Writing letters allowed the puritan community spread across England, Holland and the US feel a lot smaller continue practices that were important to their worship. Scisetti Alfio/Shutterstock Those who emigrated on the Mayflower in 1620 seeking religious liberty might not have realised the challenges that lay ahead of them. RoaringContinue Reading