A map of Mars's ancient rivers unlocks new possibilities for learning about the Red Planet
The same tools scientists use to understand Earth's climate history may work on Mars, too
Despite a mistaken mathematical proof, you do only need four colors to make a good map
Alfred Kempe's 1879 proof of the Four Color Theorem contained a mistake. Nearly a century, later his work was vindicated
Scientists create an 'atlas' of fruit fly brain development
This map will shed light on how other animals' brains develop, too
Watching Earth change from space: an interview with Africa Flores-Anderson
The National Geographic Explorer and NASA scientist spoke with Massive on how imaging environmental change can change minds
Scientists use GPS satellites to track Greenland ice sheet melting
Scientists could already measure soil moisture, wind velocities, snow depth with GPS satellites. Now they can also monitor melting ice.
Out in the jungle, looking for a cave? Machine learning and lasers can help
New techniques are helping field researchers locate hard-to-spot caves
That bossy GPS voice isn't actually necessary for navigating
New research suggests our brains update an internal 'cognitive map' when the environment changes
Four facts about Marie Tharp, the woman whose art mapped the bottom of the sea
She discovered the Earth's 'backbone' even though men wouldn't let her on a ship for 17 years