NASA Announces Plan to Search for Alien Life

Many scientists believe we are not alone in the universe. It’s probable, they say, that life could have arisen on at least some of the billions of planets thought to exist in our galaxy alone — just as it did here on planet Earth. This basic question about our place in the Universe is one that may be answered by scientific investigations. What are the next steps to finding life elsewhere?

Experts from NASA and its partner institutions addressed this question this week, at a public talk held at NASA Headquarters in Washington. They outlined NASA‘s roadmap to the search for life in the universe, an ongoing journey that involves a number of current and future telescopes.

“Sometime in the near future, people will be able to point to a star and say, ‘that star has a planet like Earth,’” says Sara Seager, professor of planetary science and physics at MIT. “Astronomers think it is very likely that every single star in our Milky Way galaxy has at least one planet.”

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