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Earth's Magnetism Saved It From Solar Sterilization

Astronomers have studied a violent young sun-like star, revealing that life on Earth is lucky to have such a strong global magnetic field.

WATCH LIVE @ 5:26 p.m. ET FRIDAY: New Crew Launching toward Space Station

Three crewmembers will launch toward the International Space Station Friday (March 18) at 5:26 p.m. EDT (2126 GMT). Watch it live here at Space.com, courtesy of NASA TV; coverage begins at 4:30 p.m. EDT (2030 GMT).

Subaru Telescope Tour: A Journey to the Top of the World

A Space.com correspondent shares her tour of the NAOJ's Subaru Telescope on top of Mauna Kea in Hawaii.

Astronaut Twins Scott and Mark Kelly Honored with Elementary School Renaming

A West Orange, New Jersey, elementary school will be named for hometown astronaut twins Mark and Scott Kelly.

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Pluto's 'Unprecedented' Ice Provinces and Other Surprises from NASA's New Horizons

Pluto, known for more than eight decades as merely a faint, fuzzy and faraway point of light, is shaping up to be one of the most complex and diverse worlds in the solar system

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ExoMars 2016: Why We Keep Going Back to the Red Planet
The launch of ExoMars shows that scientists still think Mars might be the best place to look for life outside of Earth in the solar system.

Touring the Cygnus Supply Spacecraft Clean Room (Photos)
Space.com toured the Kennedy Space Center clean room where engineers are assembling the Cygnus cargo spacecraft for flight.

Chaotic Comet Flyby Blew Away Some of Mars' Atmosphere
A close shave with a comet in October 2014 did a number on Mars magnetic field, a new study reveals.

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