Titan's lakes could be explored by boat

Space & Earth / Space Exploration

Dec 22, 2009 | 4.6 / 5 (9) | 0

(PhysOrg.com) -- If a suggestion to be made to NASA comes to fruition, vast lakes thought to be filled with liquid hydrocarbons near the north pole of Saturn's moon Titan, may one day be explored by boat.

Vampires and collisions rejuvenate stars

Space & Earth / Astronomy

4 hours ago | 5 / 5 (4) | 1

Stars in globular clusters are generally extremely old, with ages of 12-13 billion years. However, a small fraction of them appear to be significantly younger than the average population and, because they ...