Mercury and Earth are the only rocky planets in the solar system to possess global magnetic fields, and for years scientists have puzzled over why Mercury’s is so flimsy.
NASA’s Dawn spacecraft has spiraled closer and closer to the surface of the giant asteroid Vesta.
Scientists at NASA’s Goddard Space Flight Center are designing a small harpoon that would fire into and collect samples from nearby comets.
NASA is considering dropping two robotic landers on the surface of Jupiter’s moon Europa, a body that many scientists regard as the solar system’s best bet for harboring life beyond Earth.
NASA’s STEREO spacecraft caught a wave of electronically charged material shooting out from the sun and hitting Mercury on December 1.
According to new syudy astronomers have found 18 new alien planets. This new discoveries increase the number of known planets orbiting massive stars by 50 percent.
Two Voyager spacecraft are providing the first glimpse of Milky Way radiation that scientists have already seen coming from other galaxies.
Skywatcher Tunc Tezel this summer on the island of Mangaia in the South Pacific take an image of our own Milky Way galaxy, in whcih our galaxy gorgeous shines.
According to the Extrasolar Planets Encyclopedia, a database compiled by astrobiologist Jean Schneider of the Paris-Meudon Observatory, less than 20 years after discovering the first world beyond our solar system at present is known 702 exoplanets.