<p style="text-align:center"></p> <p>Around the world, astronomers are buzzing with anticipation over the approach of Comet ISON. On Thanksgiving Day 2013, the icy visitor from the outer solar system will skim
<p>NASA is developing a lunar rover to find and analyze water and other materials trapped in deep freezes at the moon’s poles and to demonstrate how water can be made
<p>NASA has recently discovered a very strange planet. Its days are twice as long as its years. It has a tail like a comet. It is hot enough
<table align=right cellpadding=0 cellspacing=0 width=250> <tr> <td width=5></td> <td align=center> <p class=small><br />This radar map shows the thickness of the south polar layered deposits of Mars (purple represents the thinnest areas and red the