01.10.12 - An international team of astronomers has identified the moment when a black hole in our galaxy launched super-fast knots of gas into space.
01.11.12 - Three images taken by NASA's Hubble Space Telescope reveal the emergence of an exploding star, called a supernova.
01.11.12 - Astronomers using data from NASA's Kepler mission have discovered the three smallest planets yet detected orbiting a star beyond our sun.
01.10.12 - NASA's Hubble Space Telescope has uncovered the most distant grouping of a cluster of galaxies in the initial stages of development ever observed in the early universe.
01.10.12 - The cold dust that builds blazing stars is revealed in new images that combine observations from the Herschel Space Observatory, a European Space Agency-led mission with important NASA contributions; and NASA's Spitzer Space Telescope.
01.10.12 - The stars we see today weren't always as serene as they appear, floating alone in the dark of night.
01.10.12 - A new, large mosaic from NASA's Wide-Field Infrared Survey Explorer (WISE) showcases a vast stretch of cosmic clouds bubbling with new star birth.
01.09.12 - After 16 years in space, RXTE has made its last observation. The satellite provided unprecedented views into the extreme environments around white dwarfs, neutron stars and black holes.
12.22.11 - Sprigs of holly, a big red bow and silver bells appear to dress up this cosmic star-forming wreath, captured by NASA's Wide-field Infrared Survey Explorer (WISE).
12.21.11 - A cosmic alignment of the sun, Earth, and the center of our galaxy on the winter solstice happens every year without event, and poses no danger in 2012.