Rare 'superflares' could one day threaten Earth
Astronomers probing the edges of the Milky Way have in recent years observed some of the most brilliant pyrotechnic displays in the galaxy: superflares.
Astronomers probing the edges of the Milky Way have in recent years observed some of the most brilliant pyrotechnic displays in the galaxy: superflares.
Astronomy
Jun 11, 2019
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Two tough, resilient, NASA spacecraft have been orbiting Earth for the past six and a half years, flying repeatedly through a hazardous zone of charged particles around our planet called the Van Allen radiation belts. The ...
Space Exploration
Feb 12, 2019
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An evocative new image sequence from NASA's New Horizons spacecraft offers a departing view of the Kuiper Belt object (KBO) nicknamed Ultima Thule—the target of its New Year's 2019 flyby and the most distant world ever ...
Space Exploration
Feb 9, 2019
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NASA's Curiosity rover has taken its last selfie on Vera Rubin Ridge and descended toward a clay region of Mount Sharp. The twisting ridge on Mars has been the rover's home for more than a year, providing scientists with ...
Space Exploration
Jan 28, 2019
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The wonders – and mysteries – of Kuiper Belt object 2014 MU69 continue to multiply as NASA's New Horizons spacecraft beams home new images of its New Year's Day 2019 flyby target.
Space Exploration
Jan 25, 2019
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A NASA spacecraft 4 billion miles from Earth yielded its first close-up pictures Wednesday of the most distant celestial object ever explored, depicting what looks like a reddish snowman.
Space Exploration
Jan 2, 2019
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A NASA spacecraft is hurtling toward a historic New Year's Day flyby of the most distant planetary object ever studied, a frozen relic of the early solar system called Ultima Thule.
Space Exploration
Dec 24, 2018
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After a two-year chase, a NASA spacecraft arrived Monday at the ancient asteroid Bennu, its first visitor in billions of years.
Space Exploration
Dec 3, 2018
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After safely landing on Mars following its nearly seven month journey, NASA has released the first pictures taken by its InSight spacecraft, which has opened it solar arrays to charge batteries.
Space Exploration
Nov 29, 2018
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Minutes after touching down on Mars, NASA's InSight spacecraft sent back a "nice and dirty" snapshot of its new digs. Yet the dust-speckled image looked like a work of art to scientists.
Space Exploration
Nov 27, 2018
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