Pluto: From Mountains to Plains
What do the sharpest views ever of Pluto show? As the robotic New Horizons spacecraft moves into the […]
Astronomy
When Gemini Sends Stars to Paranal
From a radiant point in the constellation of the Twins, the annual Geminid meteor shower rain down on […]
Comet Meets Moon and Morning Star
A crescent Moon and brilliant Venus met in predawn skies on December 7, a beautiful conjunction of planet […]
The Brightest Spot on Ceres
Dwarf planet Ceres is the largest object in the Solar System’s main asteroid belt with a diameter of […]
Daytime Moon Meets Morning Star
Venus now appears as Earth’s brilliant morning star, standing in a line-up of planets above the southeastern horizon […]
Arp 87: Merging Galaxies from Hubble
This dance is to the death. Along the way, as these two large galaxies duel, a cosmic bridge […]
Icelandic Legends and Aurora
Legends collide in this dramatic vista of land, sea, and sky. The land is Iceland, specifically Vík í […]
Comet Catalina Emerges
Comet Catalina is ready for its close-up. The giant snowball from the outer Solar System, known formally as […]
A Force from Empty Space: The Casimir Effect
This tiny ball provides evidence that the universe will expand forever. Measuring slightly over one tenth of a […]
Cygnus: Bubble and Crescent
These clouds of gas and dust drift through rich star fields along the plane of our Milky Way […]