April 29, 2013
NASA's Cassini spacecraft has spotted a gigantic hurricane swirling inside a mysterious, six-sided weather pattern known as "the hexagon" at Saturn's north pole.
April 26, 2013
NASA's Cassini spacecraft has provided the first direct evidence of small meteoroids crashing into Saturn's rings and breaking into streams of rubble.
April 24, 2013
Saturn and Earth are having a close encounter. See the ringed planet at its best and brightest on April 28th.
April 24, 2013
Later this year, Comet ISON is expected to become a naked-eye object when it skims through the atmosphere of the sun. The Hubble Space Telescope has just obtained a sneak preview.
April 19, 2013
A new model of the debris flowing from Comet ISON suggests that the sungrazer could dust the Earth with meteoroids in early 2014. Experts discuss the possibilities today's story from Science@NASA.
April 18, 2013
NASA's Kepler mission has discovered two new planetary systems that include three super-Earth-size planets in the "habitable zone," the range of distance from a star where the surface temperature of an orbiting planet might be suitable for liquid water.
April 14, 2013
A particle detector on board the International Space Station has recorded intriguing signs of Dark Matter. Researchers say that a significant advance in cosmology could be in the offing.
April 10, 2013
Visible as a small, sparkling hook in the dark sky, this beautiful object is known as J082354.96+280621.6, or J082354.96 for short. It is a starburst galaxy, so named because of the incredibly (and unusually) high rate of star formation occurring within it.
March 29, 2013
Life as we know it doesn't thrive on planets without ozone layers, which is why the recovery of Earth's ozone layer is so important. A new instrument slated for launch to the ISS will monitor our planet's protective ozone cocoon with greater depth and precision than ever before.
March 26, 2013
A comet is heading for Mars, and there is a chance that it might hit the Red Planet in October 2014. An impact wouldn't necessarily mean the end of NASA's Mars program. But it would transform the program along with Mars itself.