New Date for Caesar's British Invasion
In 55 BC, when Julius Caesar and his fleet approached the white cliffs of Dover on the British coast, he faced unexpectedly strong tides. Researchers from Texas State University have used tidal measurements and other astronomical clues to revise the exact date of the historic landing.
More Google Sky Goodness
Google's interactive star map has a bunch of new features.
Martian Crater Named for “Chick” Capen
A crater on Mars has been officially named for the American scientist Charles F. Capen.
The Red Planet We Never Knew
A new DVD entertains with a 50-year-old look at Mars.

The Transit of Venus: Tales from the 18th and 19th Centuries
Observers and administrators gather at the US Naval Observatory in Washington, DC, in preparation for the American expeditions to the 1874 transit of Venus.Courtesy US Naval Observatory Library. A magnificent rendezvous between the planet of love and the bright orb of the Sun. One of the most celebrated phenomena in…