As NASA scientist Chad Greene flew over northern Greenland with a team of engineers in April, they never expected their radar to find something manmade buried deep within the ice. Greene and his ...
Nov. 13, 2024 — An asteroid struck Mars 11 million years ago and sent pieces of the red planet hurtling through space. One of these chunks of Mars eventually crashed into the Earth and is one of ...
NASA scientists collected some marvelous readings while flying over the arctic ice in Greenland during an April 2024 survey. The radar instrument onboard NASA's Gulfstream III aircraft spotted an ...