Mars once wetter than thought
Thousands of miles of ancient riverbeds have been discovered in the heavily cratered southern highlands of Mars, suggesting the red planet was once a far wetter world than scientists thought.
How humanity is losing the night sky
Losing the dark isn’t just about the stars. It has dire consequence for human health as well as the natural world.
First view of the Sun’s south pole filmed by spacecraft
The first ever video and images of the Sun’s south pole have been taken by the European Space Agency’s Solar Orbiter spacecraft. The new images will enable scientists to learn how the Sun cycles between periods of raging storms and quiet times.
We’re close to translating animal languages – what then?
AI may soon be able decode whalespeak, among other forms of communication – but what nature has to say may not be a surprise.