Taking advantage of a total lunar eclipse, astronomers using NASA's Hubble Space Telescope have detected Earth's own brand of sunscreen - ozone - in our atmosphere. This method simulates how ...

Add Yahoo as a preferred source to see more of our stories on Google. It’s not often that telescopes suspended in space have landmark birthdays like this one. Launched on April 24, 1990, NASA’s Hubble ...

Tomorrow's historic transit of Venus across the sun's face has astronomers and skywatchers abuzz, but how spectacular would it be to see our own planet silhouetted against the solar disk? Venus will ...

Taking advantage of a total lunar eclipse, Hubble used the Moon as a mirror to study sunlight that had passed through Earth's atmosphere. As a result, Hubble detected Earth's own brand of sunscreen - ...