Earth 1, asteroids 0: The next generation of planetary defense takes shape at JPL
The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet (140 ...
Astronomy on MSN4h
Ghost rivers, hidden lakes: The long search for water on Mars
US President Donald Trump talked about it in his inauguration speech this year. Such an epic endeavor could help to answer ...
Are Elon Musk’s Starlink satellites a looming threat to the ozone layer
Re-entries of SpaceX Starlink satellites are causing environmental concerns by releasing aluminium oxide, which could harm the ozone layer. Scientists ...