Drying Rivers
Climate change and other factors are drying up many of the world's rivers.
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Comet Roundup
Comets may have provided the young Earth the molecules necessary for the formation of life.
Nickel & Oxygen
A drop in nickel may have triggered the rise of oxygen on Earth.
Hungry Mosquitoes
Mosquitoes find their prey by following plumes of carbon dioxide.
Life Light
The way light scatters off distant planets may reveal whether life exists on them.
Dancing Animals
Some animals can dance to a beat, while others have no rhythm.
Paldoxins
A new kind of chemical can control crop-killing fungi with less environmental impact.
Rockets & Ozone
Possible increases in rocket launches could affect the Earth's protective ozone layer.