Space on MSN23 小时
ISS astronaut captures green auroras dancing over city lights (video)
NASA astronaut Don Pettit continues to give us great views of Earth from the ISS, this time beaming home video of green ...
Mars samples that could help us find alien life are stuck there until at least 2035, NASA says
Dozens of samples of rock and sediment collected from Mars that could be used to detect ancient microbial life could be ...