A recent discovery of a unique exoplanet continues to challenge our understanding of solar system dynamics as a recent study ...

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

With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies ...