The European and Japanese robotic explorer swooped as close as 183 miles (295 kilometers) above Mercury’s night side before ...

Could time itself actually explain our universe's expansion? Our current cosmological model—known as lambda cold dark matter, ...

What lies deep within the abyss of space, in the pre-history of the universe!? The first images transmitted by the James Webb ...

The stars aligned for the planetarium's dome to become the backdrop for four readings of 'REDshift,' by playwright Chalmers ...

Gravitational lenses have been used previously to resolve individual stars in the distant Universe. Using the microlensing of ...

NASA has long been highly visible and is among the most celebrated programs in modern United States history. Some generations ...

Behold, the giants! The Hubble Space Telescope has completed a decade of observing Jupiter, Saturn, Uranus and Neptune.

Cosmic Leviathan: A galaxy cluster, resembling a submerged sea monster, distorts spacetime around it, as captured by the ...

A year of discovery awaits, with missions poised to reveal new insights about our home planet, solar system, galaxy, and ...

The Hubble Telescope has spotted an unusual spiral galaxy – 76 million light-years away – that resembles an eye ...

The center of our Milky Way galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas.

NASA and European Space Agency collaborating on planetary defense missions to determine if we can deflect near-Earth objects away from Earth.