<p style="text-align:center"></p> <p>When the Space Age began, astronomers knew of exactly zero planets outside the solar system. What a difference 50 years makes. </p> <p> Modern, ground-based telescopes and NASA’s Kepler
<p style="text-align:center" class="small"></p> <p>SETI, the Search for Extra-Terrestrial Intelligence, is an almost uniquely American affair. There was a time when it was funded by the US government, but that funding resource
<p>Applying a maxim from computer science to biology raises the intriguing possibility that life existed before Earth did and may have originated outside our solar system, scientists say.</p> <p style="text-align:center" class="small"><br
<p>Astronomers have discovered a veritable rogues’ <a href="http://www.worldtattoogallery.com">gallery</a> of odd exoplanets – from scorching hot worlds with molten surfaces to frigid ice balls.</p> <p>And while the hunt continues for the elusive