For 35 years, the Hubble Space Telescope has taken photos of celestial objects across the universe. Look back at 10 photos ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

For 35 years, the Hubble Space Telescope has taken photos of celestial objects across the universe. Look back at 10 photos ...

Miguel Claro, an astrophotographer, spent five years capturing a stunning image of the Andromeda Galaxy from Portugal's Dark ...

Night vision relies on a type of photoreceptor in your eye called a rod, while cones (a different kind of photoreceptor) ...

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...