Half of Earth’s oceans are more than 3.2km deep. Beneath them lie cavernous plains untouched by sunlight, vast gaping trenches made by Earth’s tectonic plates shifting, and ranges of underwater ...
Mars has long tempted scientists with hints of chemistry that might once have supported life. Now a NASA-led study argues ...
Some landscapes feel so unreal that your brain needs a second to process what you’re seeing. Steam curls out of the earth like the ground is breathing, blinding white salt stretches to the horizon, ...
From finding out where swallows go in winter to discovering microbes here are 10 of the greatest biological discoveries ever ...