A small-scale jet engine compact enough to fit on a tabletop is helping to make the future of aviation more sustainable, according to NASA engineers currently involved in tests that could help pave the way toward new aircraft propulsion systems of the coming decades.
A 500-foot asteroid was recently the target of radio signals emitted by Alaska's HAARP facility, as part of an effort to enhance our ability to detect potentially deadly space objects.
This week's Intelligence Brief examines NASA's plans to smash its DART spacecraft into an asteroiod moonlet millions of miles away from Earth later this month.
A mission to test technology that may one day be used to defend our planet against potentially deadly asteroids and other near-Earth objects was successfully launched on Wednesday, according to NASA.
NASA Administrator Bill Nelson recently spoke with the University of Virginia about defending Earth from asteroids, and pilot reports of encounters with unidentified aerial phenomena.