Best Space Photos of the Week - April 14, 2012

1 of 10

Sun's Sibling Stars Could Host Cousins of Earth Life

Credit: David A. Aguilar (Harvard-Smithsonian Center for Astrophysics)
Earth may have seeded life on other planets if DNA traveled from our world to another via an impacting asteroid that later landed on an alien planet. Astronomers…Read More »

are searching for siblings of the sun -- stars born from the same parent star cluster -- that might have planets impregnated with Earth life. [Full Story]   Less «
More from