Earth
There’s now a microscopic plastic cycle that works like any other environmental cycle -- moving from oceans to sky to land and back again.
New research supports the idea that pulses of nutrients flushed from Devonian forests fueled ocean algae blooms that suffocated marine life.
Researchers and Aboriginal people are working to protect 3.5-billion-year-old stromatolite fossils in western Australia.
A unique, huge science building has a rainforest, a swamp, a grassland and even an ocean with a coral reef.
New discovery of ancient phosphorus-bearing minerals challenges assumptions about the way early life evolved.
This month brought unusual weather to many spots around the world.
Miniature aircraft, powered by light, might offer new ways to explore the atmosphere of Earth -- or other planets.
Ancient sediments reveal that shortly after emerging from the sea, microbial life may have adapted to survive in acidic lakes.
Research suggests crystals form in cooling magma at an astonishingly rapid rate.
Astrophysicists can now piece together the moon's past, including the role of its fleeting magnetic field.
New research on diamonds found deep in the Earth's crust suggests that the planet's carbon cycle reaches far underground.