EnvironmentWill Colombia summit kick-start the end of the fossil fuel era? With progress at COP climate meetings stalling, 57 countries took part in the first of a new series of conferences aiming to develop roadmaps away from fossil fuels, but big emitters like China and the US were absent Analysis
SpaceHow worried should you be about an asteroid smashing into Earth? The dinosaurs were wiped out by an asteroid, but does that mean we risk suffering the same fate - and should you be worried about the possibility? Leah Crane sets the matter straight Analysis