New five-planet system contains two that are in the ‘habitable zone’
Potentially habitable planets are slightly larger than Earth.
NASA selects MIT-led TESS project for 2017 mission
$200 million project will launch telescopes to perform full-sky search for transiting exoplanets.
Mapping the early history of the moon
In 41st annual Killian Lecture, Maria Zuber describes looking deep into the moon’s interior to chart its early history.
GRAIL reveals a battered lunar history
Twin spacecraft create a highly detailed gravity map of the moon, finding an interior pulverized by early impacts.
MIT-developed ‘microthrusters’ could propel small satellites
As small as a penny, these thrusters run on jets of ion beams.