NASA's InSight lander detects stunning meteoroid impact on Mars

NASA's InSight lander recorded a magnitude 4 marsquake last Dec. 24, but scientists learned only later the cause of that quake: a meteoroid strike estimated to be one of the biggest seen on Mars since NASA began exploring ...

Surface waves help map the interior of Mars

Researchers have observed seismic waves propagating along the surface of a planet other than Earth for the first time. The marsquakes that resulted from two large meteorites that hit Mars were recorded by NASA's InSight lander ...

Climate patterns thousands of miles away affect US bird migration

Every spring, migratory birds arrive in the continental United States from south and central America to breed. But precisely when they arrive each spring varies from year to year. In a NASA-led study published in the Bulletin ...

NASA mirrors on ESA pathfinder to enhance lunar navigation

NASA will supply the upcoming European Space Agency (ESA) Lunar Pathfinder satellite with an array of laser retroreflectors, mirrored devices that reflect light back at its source. The retroreflectors will validate navigation ...

Ecosystems get increasingly thirsty due to climate change

A new study shows that future ecosystem functioning will increasingly depend on water availability. Using recent simulations from climate models, an international team of scientists found several "hot spot regions" where ...

Patagonia's coast offers cool refuge for giant kelp

Giant kelp forests around the world have struggled to stay healthy in recent decades, with some vanishing altogether. But along Patagonia's rugged southwestern coast, giant kelp are thriving, showing remarkable stability ...

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