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NASA Planet Hunter Finds Earth-Sized World in 'Goldilocks Zone'

NASA said Monday that its planet hunter satellite TESS had discovered an Earth-sized world within the habitable range of its star, which could allow the presence of liquid water.

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China Jails Scientist Who Gene-Edited Babies

A Chinese court on Monday sentenced the doctor who claimed to be behind the world's first gene-edited babies to three years in prison for illegal medical practice, state media reported.

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NASA's Trip to Mars Begins in California 'Clean Room'

NASA's Mars 2020 rover will head off for the Red Planet next year. But like Voyager, Galileo and Cassini before it, the mission's epic journey began in a "clean room" in California.

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China Launches Powerful Rocket in Boost for 2020 Mars Mission

China Friday launched one of the world's most powerful rockets in a major step forward for its planned mission to Mars in 2020.

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Secrets of Germany's 'Alcatraz' Virus Island Revealed

On a Baltic Sea island once used by the Nazis for biological weapon research, German scientists are developing virus vaccines that could save lives.

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'Ring of Fire' Eclipse Wows across Asia

Skywatchers from Saudi Arabia and Oman to India and Singapore were treated to a rare "ring of fire" solar eclipse Thursday.

Annular eclipses occur when the Moon is not close enough to the Earth to completely obscure the Sun, leaving a thin ring of the solar disc visible.

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Lawmakers Greenlight U.S. Space Force

The United States is getting a new space force along with $738 billion in military spending under an agreement backed by lawmakers on Tuesday that fulfills a priority of President Donald Trump.

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NASA Says Core Stage of Next Moon Rocket Now Ready

NASA has completed the giant rocket that will take U.S. astronauts back to the Moon, the space agency's head announced Monday, pledging the mission would take place in 2024 despite being beset by delays.

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Auditor Says NASA Overpaid Boeing by Hundreds of Millions of Dollars

NASA "overpaid" Boeing by hundreds of millions of dollars on a fixed contract to develop a spaceship to carry astronauts to the International Space Station (ISS), an audit report has said, compensation it called "unnecessary."

The U.S. has relied on Russia to transport its crews to the ISS since the end of the Space Shuttle program in 2011, but has hired Boeing and SpaceX under multi-billion dollar contracts, with the two companies already two years behind schedule.

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In First, Spacewalk Conducted by Two Women

The first ever spacewalk with an all-female team began Friday, footage broadcast by NASA showed.

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