资讯

Three Tucson scientists are featured in "Planetary Defenders," a new NASA documentary that premieres Wednesday about the ...
The film explores the dynamic nature of Earth's crust, detailing how it has evolved over billions of years. Initially formed from molten rock, the crust cools and hardens, leading to the creation ...
A new documentary short released by the European ... Considering how quickly things in Earth orbit tend to zip around, a fragment of a spacecraft crashing into a satellite could greatly hinder ...