The stark difference between the Moon's heavily-cratered farside and the lower-lying open basins of the Earth-facing nearside has puzzled scientists for decades.
NASA's Juno mission to Jupiter made the first definitive detection beyond our world of an internal magnetic field that changes over time, a phenomenon called secular variation. Juno determined the gas giant's secular variation is most likely driven by the planet's deep atmospheric winds.
Amending the budget to support humans on the Moon in 2024, what may be causing possible Moonquakes, and a virtual flight over an area of scientific interest on Mars ... a few of the stories to tell you about - This Week at NASA.
NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.
This Copernicus Sentinel-2 image features the Po Valley, the most densely populated area in Italy, accounting for nearly half of the national population.
The SpaceX Dragon cargo craft approaches the International Space Station 256 miles above Morocco.
