
How the Sahara Was Born
Ancient dust on nearby islands hides secrets of the desert’s origins
Ancient dust on nearby islands hides secrets of the desert’s origins
One of Nepal’s major faults appeared worrisomely silent—but new evidence suggests otherwise
Characteristic etchings on ancient prey bones reveal the animal that digested them
New evidence suggests that corals once sought refuge from warming waters by migrating
Microbes thrived on ancient Earth, even with very little oxygen
A new experiment suggests our picture of the so-called Ediacarans may be incomplete
New findings suggest oxygen diminished globally
A lack of diverse, winged hexapods—not low oxygen levels—could explain the gap in the fossil record
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