NASA's Perseverance rover has spotted an oddball rock in an ancient river channel on Mars. Deputy project scientist Katie Stack Morgan explains. Credit: NASA/JPL-Caltech/ASU/MSSS ...
The tech billionaires could collaborate on a "humanity-saving" moon base in case an asteroid hits Earth, Douglas MacKinnon wrote.
NASA’s Perseverance rover uncovers an ancient rock sample in Jezero Crater, possibly dating back billions of years.