• Is the truth out there?

    How the Harvard-based Galileo Project will search the skies for alien technology.

    By Ray Norris, Western Sydney UniversityCan we find alien technology? That is the ambitious goal of the Galileo P...

    Astronomy July 30, 2021
  • Is this 'Oumuamua’s back story?

    Astronomers suggest it’s all about tides and close encounters.

    Astronomers may have a handle on where the first known interstellar object to visit our solar system came from and ho...

    Astronomy April 15, 2020
  • Breaking: New search finds 'Oumuamua still isn’t an alien spaceship

    Second sweep for radio signals turns up bupkis. Andrew Masterson reports.

    A “quite sensitive” search for artificial radio signals emanating from 'Oumuamua, the object that sped through the so...

    Space December 5, 2018
  • ‘Oumuamua: new findings rejig size

    Infrared results set upper limit on the solar system’s surprise visitor. Andrew Masterson reports.

    A NASA animation of Oumuamua, showing it 'outgassing' as it moves.NASA/JPL-CaltechScientists using NASA’s Spitzer Spa...

    Space November 14, 2018
  • Twist in the tail: ‘Oumuamua was a comet, not an asteroid

    Calculations show solar system visitor was made of ice, not rock, and definitely wasn’t piloted b...

    ‘Oumuamua, humanity’s first known interstellar visitor, may have been a comet, not an asteroid, scientists say.  That...

    Space June 27, 2018
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