Is our little blue marble of a planet actually a lot more crowded than we thought? A new study suggests we've been significantly undercounting populations in rural areas, because of the grid-based ...

The Dark Energy Spectroscopic Instrument (DESI) is mapping millions of celestial objects to better understand dark energy—the ...

For decades, scientists have had better maps of the Moon and Mars than of Earth’s own ocean floor. But thanks to NASA’s ...

The finest ever map of the cosmic microwave background - the faint evidence of the universe's early form - has yielded ...