About 470,000 “interesting” radio hits can still add up to zero. That was the practical outcome when astronomers aimed one of ...

The small, icy visitor now racing away from the inner solar system is not just another comet. It is an interstellar object, ...

For as long as I remember there have been frequent forecasts of bright comets coming to our skies. Often, many predictions go way over the top, like “Comet of the Century will Light up the Sky.” When ...

Europe's Rosetta, after a Hollywood-style chase that lasted more than 10 years and spanned a distance of 4 billion miles, has become the first ever spacecraft to orbit a comet. The ESA's Rosetta probe ...

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For as long as I remember there have been frequent forecasts of bright comets coming to our skies. Often, many predictions go way over the top, like “Comet of the Century will Light up the Sky.” When ...