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We Could Find Aliens by Spotting Their Satellites
May 01, 2018 | ArticleAlien civilizations with technology levels similar to that of Earth could be visible with current instruments, if they've hoisted enough satellites into orbit, a new study suggests.
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NASA Will Solve a Massive Physics Mystery This Summer
April 30, 2018 | ArticleWhat size is a pulsar?
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Heat Shield for NASA's Next Mars Mission Breaks During Testing
April 28, 2018 | ArticleAs for what caused the failture, NASA engineers aren't sure yet.
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The Origin Story of Rosetta Comet Is Weird, and Ends with a Rubber Ducky
April 26, 2018 | ArticleRosetta's weirdly shaped comet may have formed in a cosmic kiss inside a dirt cloud, thanks in part to Neptune's protective shadow.
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Watch Scientists Blast a Fake Asteroid into a Fake Earth
April 26, 2018 | ArticleWhy build an asteroid cannon? 1) Because it could help explain the history of early Earth, and 2) because it's awesome.
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Stunning Cosmic Map Shows the Location of 1.7 Billion Stars
April 25, 2018 | ArticleThe stunning new map from the Gaia mission shows 1.7 billion stars in the Milky Way.
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This Planet Is So Dark, Scientists Have to Guess What It Looks Like
April 25, 2018 | ArticleThe gassy world is "darker than charcoal" and may swallow up to 99 percent of the light its local star sheds upon it.
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A Google Street View Car Drove Right Through the Path of the 2017 Solar Eclipse
April 24, 2018 | ArticleThe most-viewed eclipse in history had an unexpected witness: A Google Street View car drives right through totality, offering a surprising celestial treat for visitors scoping out the event in Maryland Heights, Missouri.
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The Truth Behind This Amazing Video from the Surface of a Comet
April 24, 2018 | ArticleA Twitter user managed to turn 25 minutes worth of images from the ESA's comet lander into a dramatic short film.
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No Joke: Uranus Smells Terrible, Study Says
April 23, 2018 | ArticleThe upper cloud tops of Uranus are shot through with hydrogen sulfide, the gas that smells of rotten eggs.
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