NASA photographer Jim Ross earned a third place People prize for this wild shot of an unnamed NASA pilot riding alongside an F-15 Eagle N897NA.
Governments can make it harder to get around internet restrictions, but eliminating the workarounds is another matter entirely.
Called Teghaza 001, the rock is a piece of Mars that formed over 4.1 billion years ago.
Voyager 1 is nearing one light-day away from Earth, when radio signals will take 24 hours to travel between Earth and the spacecraft.
"It wouldn't be surprising if at least 100 kilograms [220 pounds] or so survive reentry."
A small fortune in exchange for a few minutes in zero gravity? Worth it.
“It’s kind of a romantic idea, but our results suggest it’s highly unlikely.”