Zoom from the Himalayas to the edge of the observable Universe—and back again.
Ancient crystals reveal Earth's earliest era.
Ancient quartz crystals reveal our young planet's magnetic field.
Astronomers get a fresh perspective on the Orion Nebula.
Reliance on chemical fertilizer in China may deplete its critical farmland.
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.