Stripy ponds in the Utah desert help green the bone-dry land
6 September 2017
Multicoloured patchwork ponds in this desert play a key part in tapping sources of potassium chloride, a vital fertiliser
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Premium
Asteroid Florence buzzes Earth in closest fly-by since 1890
4 September 2017
A 4.4-kilometre-wide space rock whizzed past Earth on its closest orbit in over a century. This asteroid won’t get this close again until after 2500
Hidden pockets of turbulent gas fuel stars in far-off galaxies
30 August 2017
Galactic winds once thought to slow star formation may be driving the creation of new stars in distant galaxies, challenging long held beliefs about galaxy evolution
Weird ancient burst of light in the sky turns out to be a nova
30 August 2017
Six centuries ago, Korean astronomers recorded a bright spot in the night sky. A 25-year hunt for that star has settled a debate about how classical novae behave
