<p style="text-align:center"></p> <p>After 10-month voyage across more than 400 million miles of empty space, NASA’s MAVEN spacecraft reached Mars on Sept. 21st 2014. Less than 8 hours later, the data
<p style="text-align:center"><br /> <em>This set of artist’s concepts shows NASA’s Mars Science Laboratory cruise capsule and NASA’s Orion spacecraft, which is being built now at NASA’s Johnson Space Center and will
<p>A coronal mass ejection that swept past Mercury on Nov. 13th will likely hit Venus later today. Because Venus has no global magnetic field to protect it, the impact could
<p>A new model for generating a global magnetic field in the ancient moon could help solve a 40-year-old mystery.</p> <p>The Earth’s magnetic field exists because it has a spinning solid core