Satellite data exposes escalating 'boom-and-bust' dynamic in greening drylands

Satellite data gives clearer picture of how ice sheets are losing mass

'Every time it gets excited — boom — it collapses': How dogs with narcolepsy helped scientists understand the disorder

Without new landers or rovers, it’s helicopters or bust for NASA’s Mars program. "For the first time in more than 30 years, NASA has no firm plans to send any new landers or rovers to Mars"