Earth

New study examines rare sedimentary rocks atop some of the planet's oldest large land masses.
Charles Q. Choi, Contributor
Meteorologists, oceanographers and snipers have to account for this deformation.
Will Sullivan, Staff Writer
Scientists set out to investigate how these unusual structures form.
Katharine Gammon, Contributor
Many people around the world eat insects, but still some of us are squeamish about eating them.
Inside Science Contributor
We can't put Earth on a scale, but there are other ways to figure out the weight of our world.
Inside Science Contributor
A new model, based on "sea glass" from ocean ridges, may help scientists more easily answer a question they have long struggled with.
Tom Metcalfe, Contributor
Scientists study how some microorganisms deep on the ocean floor affect our climate.
Inside Science Contributor
Scientists link the start of movements in the Earth's crust to increasing amounts of aluminum in crystals about 3.6 billion years ago.
James Gaines, Contributor
This month in pictures
Abigail Malate, Staff Illustrator
There’s now a microscopic plastic cycle that works like any other environmental cycle -- moving from oceans to sky to land and back again.
Katharine Gammon, Contributor
New research supports the idea that pulses of nutrients flushed from Devonian forests fueled ocean algae blooms that suffocated marine life.
Nikk Ogasa, Contributor
Researchers and Aboriginal people are working to protect 3.5-billion-year-old stromatolite fossils in western Australia.
Nala Rogers, Staff Writer