New research points to when massive asteroid impact happened, and why only some animals survived.
Charles Q. Choi, Contributor
The findings suggest current theories of how some volcanoes form may be too simple.
Charles Q. Choi, Contributor
A keen eye and a bit of luck help scientists find something deep in the ice
Inside Science Contributor
Ancient 2-meter tall theropods could have outrun most humans.
Joshua Learn, Contributor
Scientists prepare to probe other planets by combining different ways to detect signs of life.
Zack Savitsky, Contributor
New study examines rare sedimentary rocks atop some of the planet's oldest large land masses.
Charles Q. Choi, Contributor
Scientists set out to investigate how these unusual structures form.
Katharine Gammon, Contributor
Analysis of fish ear bones reveals how bioluminescent lanternfish became so abundant.
Joshua Learn, 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 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
Researchers and Aboriginal people are working to protect 3.5-billion-year-old stromatolite fossils in western Australia.
Nala Rogers, Staff Writer
Understanding how magnetic fields change is crucial for protecting communications networks and power grids.
Rebecca Boyle, Contributor