Eric Hand

Ganymede's underground ocean contains more water than all the oceans on Earth

Evidence supports dynamic collapse theory of peak ring formation

First airborne campaign to study summer cyclones could help improve Arctic forecasts, climate models

A moon shredded by the planet’s gravity 160 million years ago could help explain its rings and odd tilt

Perseverance set to drop organic-rich sample cache for pickup—and eventual scrutiny in terrestrial labs

After doubts grew, blockbuster Nature paper is withdrawn over objections of study team

Overlooked by the oil industry, natural hydrogen could power society for thousands of years

Government offers first major funding for unexplored energy source

Cheaper microscope could bring protein mapping technique to the masses

Flow of clean-burning fuel in Albanian mine dwarfs rates of other seeps