NASA's OSIRIS-REx mission has an historic opportunity to closely observe the asteroid Apophis and improve our ability to defend against future asteroid threats, but government budget cuts are ...

And now NASA is looking to crowdsource solutions that would help future astronauts more efficiently reuse the material they bring up to Earth's natural satellite, offering $3 million in cash ...

We asked experts at NASA and the Massachusetts Institute of Technology what scientists know about the asteroid that could ...