China has a number of projects it wants to complete by 2045.
This estimate is an increase from his previous timeline of 100 years.
"We kind of have to hurry."
Here's a look at what extraterrestrials might actually be like.
And they think they'll make contact in the coming decades.
We could travel through the cosmos in record time.
Space is about to get pretty crowded.
The "lunar depot" is a stepping stone to putting people on Mars.
The AI's neural network is similar to that of Google's AlphaGo.
The universe is far greater than it seems.
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