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It’s time to start taking the search for E.T. seriously, astronomers say

Author: Lisa Grossman / Source: Science News

Green Bank Telescope
WE’RE LISTENING The Green Bank Telescope in West Virginia was the first to listen for signals from intelligent aliens in 1960. The radio telescope has gotten back into the search for extraterrestrial intelligence in recent years.

Long an underfunded, fringe field of science, the search for extraterrestrial intelligence may be ready to go mainstream.

Astronomer Jason Wright is determined to see that happen. At the American Astronomical Society meeting in Seattle in January, Wright convened “a little ragtag group in a tiny room” to plot a course for putting the scientific field, known as SETI, on NASA’s agenda.

The group is writing a series of papers arguing that scientists should be searching the universe for “technosignatures” — any sign of alien technology, from radio signals to waste heat. The hope is that those papers will go into a report to Congress at the end of 2020 detailing the astronomical community’s priorities. That report, Astro 2020: Decadal Survey on Astronomy and Astrophysics, will determine which telescopes fly and which studies receive federal funding through the next decade.

“The stakes are high,” says Wright, of Penn State University. “If the decadal survey says, ‘SETI is a national science priority, and NSF and NASA need to fund it,’ they will do it.”

SETI searches date back to 1960, when astronomer Frank Drake used the Green Bank Telescope in West Virginia to listen for signals from an intelligent civilization (SN Online: 11/1/09). But NASA didn’t start a formal SETI program until 1992, only to see it canceled within a year by a skeptical Congress.

Private organizations picked up the baton, including the SETI Institute, founded in Mountain View, Ca., in 1985 by astronomer Jill Tarter — the inspiration for Jodie Foster’s character in the movie Contact (SN Online: 5/29/12). Then in 2015, Russian billionaires Yuri and Julia Milner launched the Breakthrough Initiatives to join the hunt for E.T. But the search for technosignatures still hasn’t become a more serious, self-sustaining scientific discipline, Wright says.

“If NASA were…

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