<p></p> <p>Scientists may be closer to solving the mystery of how Mars changed from a world with surface water billions of years ago to the arid Red Planet of today.</p> <p>A new
<p>NASA’s Hubble Space Telescope has found the farthest supernova so far of the type used to measure cosmic distances. Supernova UDS10Wil, nicknamed SN Wilson after American President Woodrow Wilson, exploded
<p>NASA’s Mars Reconnaissance Orbiter (MRO) has revealed that movement in sand dune fields on the Red Planet occurs on a surprisingly large scale, about the same as in dune fields
<p>Astronomers have gathered the most direct evidence yet of a supermassive black hole shredding a star that wandered too close. NASA’s Galaxy Evolution Explorer, a space-based observatory, and the Pan-STARRS1
<p>Supernova explosions and the jets of a monstrous black hole are scattering a galaxy’s star-making gas like a cosmic leaf blower, a new study finds. The findings, which relied on
<p>NASA’s New Horizons mission reached a special milestone yesterday, Dec. 2, 2011, on its way to reconnoiter the Pluto system, coming closer to Pluto than any other spacecraft.</p> <p>It’s taken New
<p>Images from NASA’s Mars Reconnaissance Orbiter (MRO) show sand dunes and ripples moving across the surface of Mars at dozens of locations and shifting up to several yards. These observations
<table align="right" width="350" cellpadding=0 cellspacing=0 border=0> <tr> <td width=10></td> <td align=center> <p class=small><br /> NASA’s Cassini spacecraft chronicles the change of seasons as it captures clouds concentrated near the equator of Saturn’s largest moon, Titan.
<p>The first spacecraft designed by NASA to orbit Mercury is giving scientists a new perspective on the planet’s atmosphere and evolution.</p> <p>Launched in August 2004, the Mercury Surface, Space Environment, Geochemistry
<table align=right cellpadding=0 cellspacing=0 border=0 width=210> <tr> <td align=center> <p class=small><br /> An artist’s concept of New Horizons.</p></td> </tr> </table> <p>Zipping through space at nearly a million miles per day, NASA’s New Horizons probe is halfway to