Interesting facts and fun activities related to lunar photographs of Earth.

Vostok. The Soviets's first staffed capsule, roughly spherical, used to place the first six cosmonauts in Earth orbit (1961–1965). Voskhod. Adaptation of the Vostok...

Artist's rendition of the planetoid Sedna On March 15, 2004, astronomers confirmed the discovery of the most distant object ever identified in our solar system. Twice as...

Before the advent of the Hubble Space Telescope, astronomers couldn'tdecide if the universe was 10 billion or 20 billion years old. The scale sizeof the universe had a...

Between the orbits of Mars and Jupiter are an estimated 30,000 pieces of rocky debris, known collectively as the asteroids, or planetoids. The first and, incidentally,...

The Leonids are coming! The Leonids are coming! NASA and the US Air Force have teamed up with Russian Space Command to prepare for the invasion, astronomers around the...