NASA's Dawn spacecraft spotted this tall, conical mountain on Ceres from a distance of 915 miles (1,470 kilometers).
ESA's Rosetta today witnessed Comet 67P/Churyumov–Gerasimenko making its closest approach to the sun. The exact moment of perihelion occurred at 02:03 GMT this morning when the comet came within 186 million km of the sun.
Two different climate scenarios appear plausible for Antarctica in the 21st century, says Paul Mayewski, director of the Climate Change Institute at the University of Maine.
This colourful image is a topography map of a portion of the region known as Terra Sirenum, located in the southern hemisphere of Mars. The map is colour-coded, with reds and whites representing the highest topography and ...