The Hubble Space Telescope is still trucking along more than 30 years after its launch, observing the universe and sending ...

NASA's NIAC program is investing in visionary ideas that could revolutionize space exploration. From fusion-powered ...

The northern and southern lights, auroras visible from the poles, glow with a range of different colored lights. Here's the ...

Astronomical lineups are quite common. However, what sets this month’s planetary parade apart is the number of bright planets ...