Overuse of fertilizer is making China's soils more acidic.
Skin cells become brain cells in a petri dish.
What's stretching space at an ever-faster pace?
Hubble is watching seasons change on the dwarf planet.
Hubble captures the most distant, ancient galaxies ever seen.
Humans are losing the big benefits that dung beetles bring to life on the planet.
The human genome can tell us the number of people that lived long ago.
AMNH astronomers have revealed a long-hidden star in the Big Dipper's handle.
Preserving species and habitats helps keep people safer from Lyme disease.
A powerful imaging technique may see early nascent brain damage from Lyme disease.