The moon will slide in front of the red supergiant star Antares on May 13, briefly blocking its light just a day after ...

So which planets in our solar system have rings? All four giant planets — Jupiter, Saturn, Uranus and Neptune — sport these ...

"Rings are mostly made of ice and small rocks," said William Saunders, a planetary scientist at NASA's Langley Research ...

Most astronomers agree that life is likely common throughout the universe. While Earth is the only world known to have life, ...