2010 Science News of the Year: Atom & Cosmos

Extrasolar planets coming into focus
The discovery of a planet orbiting a dim dwarf star about 20 light-years from Earth has encouraged astronomers in their hunt for habitable, and maybe even inhabited, worlds elsewhere in the galaxy (SN: 10/23/10, p. 5). Though some researchers question the finding (SN: 11/6/10, p.