SpaceTitan’s riverbeds show a terrain built more like Mars than Earth Saturn’s largest moon resembles Earth with its rivers and mountains, but it came by its topography very differently - and could still be active today News
HealthFukushima accident gave everyone an X-ray’s worth of radiation After the Fukushima-Daiichi nuclear plant in Japan was hit by a tsunami in 2011, everyone was exposed to extra radiation, but for most people the dose was small News