The SpaceX contract is for an uncrewed flight and a single crewed landing. Subsequent landings will be awarded under a follow-up procurement program
The study suggests that we should start investigating worlds larger than the Earth whose atmospheres are dominated by hydrogen
May the Fourth Be With You!
Trying to find such an item with a “conventional search” using telescopes is something like a needle in a haystack
Collins was later the director of the National Air and Space Museum in Washington
How little do we still know...
ICON has very big dreams
Why local flight on Mars is a big deal
There's considerable debate about the true habitability of Proxima b
There are billions of exoplanets in the Milky Way galaxy, but how many of those are potentially habitable?