Only four will be chosen to undergo training to become one of the UAE's first astronauts.
After three deadline extensions, it looks like Google's $30 million XPrize will remain unclaimed.
Initial tests show that a 1-kilowatt and a 10-kilowatt model are viable.
“This demonstration is a breakthrough for future deep space exploration.”
Here's what we think our world will look like in a century, from our perspective today.
There's a plan to send microbial life to habitable alien worlds.
Not everyone agrees with Elon Musk. There may be better plans.
"Establishing a colony on Mars is incredibly technically challenging and expensive."
Commercial partnerships make space cheaper and more accessible.
It's been decades since humans have walked on another world.
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