A seven-year mission might end on Sunday as scientists try to drop off a sample of rock from Bennu, an asteroid that might hold clues about the origins of our solar system and life.
In a jaw-dropping presentation, a self-proclaimed ufologist showed members of Congress what he claimed were two mummified specimens of extraterrestrial beings.
Officials say the future of wildfire detection is cameras. But in northwest Montana, solitary humans on mountaintops still do more than machines alone can offer.
The telescope will help astronomers study some of the most energetic places in the cosmos, while the lunar mission will aid the development of Japanese landing technologies.