News tagged with geophysical research letters

Spacequakes Rumble Near Earth (w/ Video)

Researchers using NASA's fleet of five THEMIS spacecraft have discovered a form of space weather that packs the punch of an earthquake and plays a key role in sparking bright Northern Lights. They call it ...

Jul 28, 2010
4.8 / 5 (21) 0 | with audio podcast

A Puzzling Collapse of Earth's Upper Atmosphere

NASA-funded researchers are monitoring a big event in our planet's atmosphere. High above Earth's surface where the atmosphere meets space, a rarefied layer of gas called "the thermosphere" recently collapsed ...

Jul 15, 2010
4.4 / 5 (47) 45 | with audio podcast

West Antarctic melt rate has tripled

A comprehensive, 21-year analysis of the fastest-melting region of Antarctica has found that the melt rate of glaciers there has tripled during the last decade.

Dec 02, 2014
4 / 5 (17) 24

Mars, too, has macroweather

Weather, which changes day-to-day due to constant fluctuations in the atmosphere, and climate, which varies over decades, are familiar. More recently, a third regime, called "macroweather," has been used ...

Nov 13, 2014
4.3 / 5 (7) 0