NASA has just premiered Planetary Defenders, offering a fascinating look at the high-stakes work geared toward protecting Earth from any large asteroids discovered coming our way.

Three Tucson scientists are featured in "Planetary Defenders," a new NASA documentary that premieres Wednesday about the ...

"This mission's trailblazing research is rewriting the textbooks on solar science by going to a place no human-made object has ever been." ...

NASA has begun testing a way it could use the solar wind to send a spacecraft to the edge of our Solar System in just 10 years. Video Courtesy of NASA Follow BI Video: On Twitter More from Video ...