Find out what an equinox is and how the day is linked to the reason for the seasons.
Rovers and probes have found special places on Mars where Earth microbes could thrive, risking contamination unless we take precautions.
These ancient skeletons have a few things in common: scientific significance, fantastic discovery stories, and exquisite timing.
Several African primates—like vervets and mandrills—sport vibrant colors for a very specific reason.
After employees allege years of offensive behavior at major parks, official calls it a "wake-up call" for the agency to act.
A significant correction must be made by the end of the year for navigation technology to keep working smoothly.
Animal News From National Geographic