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Our Atmosphere Is So Big It Tickles the Moon
February 21, 2019 | ArticleThe wispy outermost layer of Earth's atmosphere extend much deeper into space than scientists realized -- deep enough that the moon orbits through it.
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A Brilliant Daytime Meteor Exploded Over Cuba This Month. Here's Where It Came From
February 21, 2019 | ArticleAstronomers just got the goods on the meteor that flared up over Cuba earlier this month.
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Meet Hippocamp: Neptune's Smallest Moon Has a Name (and a Violent Past)
February 21, 2019 | ArticleA faint and frigid little moon doesn't have to go by "Neptune XIV" anymore.
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Trump Signs Directive to Create a Military Space Force
February 20, 2019 | ArticleThe Space Force just took a big step from sci-fi-sounding dream toward reality.
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The 'Rubber Ducky' Comet Is Stressed and Keeps Cracking Its Neck
February 19, 2019 | ArticleComet 67P's head has spent 4.5 billion years trying to twist away from its neck. And that's caused some stress fractures.
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'River of Stars' Streaming Through the Milky Way Was Hiding in Plain Sight for 1 Billion Years
February 19, 2019 | ArticleThis cluster of stars has been visible for a long time, but scientists only just now realized they're part of the same cosmic river.
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The 'Supermoon' Syndrome Rises with February's Full Moon
February 19, 2019 | ArticleWhy did "supermoon" become such a thing?
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Astrophysicists Find New Clue in Search for Universe's Missing Matter
February 17, 2019 | ArticleAstronomers think they've found a new clue in their continuing quest to solve one of the most substantial mysteries of the cosmos: where about a third of the universe's matter is hiding.
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A Solar Flare '10 Billion Times More Powerful' Than Earth's Sun Blasted Out of Orion's Sword
February 15, 2019 | ArticleThis crazy solar flare is more powerful than any ever blasted by Earth’s sun.
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Plasma Waves Are Cooking Electrons in Earth's Magnetic Shield
February 14, 2019 | ArticleSpace is warm — or, at least, warmer than it should be. A new study seeks to explain why.
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