On Monday the probe made the first of five passes through Saturn’s upper atmosphere, initiating the last phase of its “grand finale.”
The star S2 showed slight deviations in its orbit of a black hole at the center of the galaxy, showing Einstein’s theory holds even within gravity fields containing the mass of 4 million suns.
Looking deep into the universe also means looking back in time, and these "young" Milky Way-like galaxies are about 12 billion light-years away from Earth.
New evidence for the dwarf planet's icy volcanism, called cryovolcanism, came from NASA's Dawn space probe, which orbits Ceres.
Dark streaks identified in dozens of locations on the surface of Mars appear to hold water, but not very much, according to an analysis of data from NASA's Mars Odyssey mission.
Put on your 3-D glasses, this narrated video takes viewers on an end-to-end journey through the International Space Station.