Ancient crystals reveal Earth's earliest era.
Ancient quartz crystals reveal our young planet's magnetic field.
Coastal fog has declined for these iconic giants.
Astronomers get a fresh perspective on the Orion Nebula.
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.