Astronomers discover solar system with 6 planets in perfect sync
Mysterious tar balls wash up on New Jersey beaches
Join 900,000 others who are sending names into space on NASA spacecraft to Jupiter's moon, Europa
World's biggest iceberg starts moving for first time in decades — and it could cause some serious problems
NASA receives laser beam from 10 million miles away: 'First light'
Red nation on the red planet? This communist country's latest venture could be key to human activity on Mars
This record-breaking black hole could solve a galactic mystery billions of years in the making
Scientists use bacteria to make lunar soil usable for farming
