Liquid Calories
Cutting sugary liquids may have an extra advantage for weight loss.
Science Update
Drying Rivers
Climate change and other factors are drying up many of the world's rivers.
Nickel & Oxygen
A drop in nickel may have triggered the rise of oxygen on Earth.
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.
Podcast
COSMIC LIFE: Life on the ancient earth and beyond. The comet theory of the origins of life, how …
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.