New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once ...

Recent simulations and research have unveiled a fascinating new insight into the history of the solar system’s terrestrial ...

Venus, often called Earth's "sister planet," shares striking similarities with our world,yet it has become one of the most ...

Aug. 12-13 — Peak of the annual Perseid meteor shower. Perseids are fragments shed by comet 109P/Swift-Tuttle. Every August, ...