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Australia's pink lakes: The remnants of ancient rivers now teeming with microbes that make rosy pigments
By Sascha Pare published
Pink lakes in Western Australia get their color from pigments produced by microbes, but climate change and other human threats are killing these tiny organisms.

What's the longest lightning bolt ever recorded?
By Emma Bryce last updated
Lightning is one of the greatest natural forces on our planet. New mapping tools are revealing just how big it is.

515-mile-long lightning bolt that spanned 5 states is the longest on record
By Ben Turner published
A lightning "megaflash" that zipped across five U.S. states has set a new record for the longest ever detected.

Tomatoes randomly mated with another plant 9 million years ago. The result? Potatoes.
By Sascha Pare published
Researchers say they have finally uncovered the mysterious origins of one of our favorite carbs: the humble potato.

'Sleeping giant' fault beneath Canada could unleash a major earthquake, research suggests
By Stephanie Pappas published
A new assessment of the enormous Tintina fault suggests it has been slowly accumulating strain over thousands of years.

Russian volcano explodes in 'powerful' eruption, likely intensified by 8.8 magnitude earthquake
By Perri Thaler published
Klyuchevskoy volcano in Russia erupted shortly after a powerful 8.8 magnitude earthquake in the same region.

Even a slight slowdown of key Atlantic currents poses a 'stunning risk' to rainforests
By Ben Turner published
A slowing Atlantic current could have a devastating impact on the planet's rainforests, a new study warns.

'It was so unexpected': 90 billion liters of meltwater punched its way through Greenland ice sheet in never-before-seen melting event
By Ben Turner published
A previously-undetected flood over Greenland's ice sheet has confounded model predictions about how the region's meltwater should leak.
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