Scientists have created the first global topographic map of Saturn’s moon Titan, giving researchers a valuable tool for learning more about one of...

Astronomers at McGill University in Canada have spotted the most environmentally friendly galaxy ever seen, one that converts fuel into stars with almost...

Our galaxy is teeming with a wild variety of planets. In addition to our solar system’s eight near-and-dear planets, there are more than 800 so-called...

NASA’s Cassini spacecraft has provided scientists the first close-up, visible-light views of a behemoth hurricane swirling around Saturn’s...

NASA’s Cassini spacecraft has provided the first direct evidence of small meteoroids breaking into streams of rubble and crashing into Saturn’s...

Blazar PKS 1424+240 is the most distant known source of very high-energy gamma rays, but emission spectrum deviates from expectations Blazars are the brightest...

Astronomers have used NASA’s Hubble Space Telescope to photograph the iconic Horsehead Nebula in a new, infrared light to mark the 23rd anniversary...

NASA’s Kepler mission has discovered two new planetary systems that include three super-Earth-size planets in the “habitable zone,” the...