We know that beneath its crater-pocked silicate crust, the moon has an olivine mantle and a metallic core. Some research has ...

In Hawaii, sky watchers won't be able to see the full "ring of fire" but can still view a partial solar eclipse starting at sunrise at about 6:23 a.m. to about 6:45 a.m. local time.

Orbiting our planet in a horseshoe-shape, the moon will eventually return to a heliocentric orbit, which is around the Sun.

Don’t let the problems with Starliner full you — the next era of space exploration is moving forward at pace and NASA is the ...