Neptune's moon Nereid was discovered by the Dutch astronomer Gerard Kuiper. This was the second of 14 moons discovered at ...

Prior to this recent finding, the images that came from Neptune that were considered the best were from the Voyager 2 flyby in 1989, which were captured by the Hubble Space Telescope. Although these ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

Launching on 24 April 1990, the Hubble Space Telescope has had an out-of-this-world 35 years capturing some of the most ...

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an ...

From spellbinding images to groundbreaking scientific discoveries, we look back on some of Hubble's most exciting milestones.

Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

Uranus is an ice giant planet with a thick atmosphere over a hot mantle of water, ammonia, and methane ices. Humanity has ...

William Saunders, planetary scientist at NASA’s Langley Research Center, revealed that Uranus occulted a star lying about 400 ...