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Add Yahoo as a preferred source to see more of our stories on Google. On November 16, 1974, humans sent their first message to the stars in an attempt to contact extraterrestrials.They did this using ...

The new message is really cool, but we need to have a serious discussion about whether we should be trying to contact extraterrestrials. Reading time 5 minutes An international team of scientists has ...

Before-and-after images of the Arecibo Observatory show a dramatic collapse that ended an era in space research. Astronomers mourned the loss of the observatory, which faced natural disasters. For ...

In 1963, the Arecibo Observatory became operational on the island of Puerto Rico. Measuring 305 meters (~1000 ft) in diameter, Arecibo's spherical reflector dish was the largest radio telescope in the ...

Use left and right arrow keys to seek audio. A study on the new message titled "A Beacon in the Galaxy: Updated Arecibo Message for Potential FAST and SETI Projects" published in the journal Galaxies.

Scientists want to send an updated version of the colorful Arecibo Message, a 1974 transmission sent deep into space to any awaiting aliens. In 1974, NASA sent an unusual message a long way into space ...

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