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The Matter with Dark Matter
How do scientists know there's a mysterious substance called "dark matter" that dominates our universe? An astrophysicist explains.
Moonwalker Buzz Aldrin Plays 'Commander Copernicus' in Disney Kids' Show: Exclusive Clip
Buzz Aldrin, the second man on the moon, will make a special appearance on the children's show "Miles From Tomorrowland" on Aug. 26 at 9 a.m. EDT and PDT.
Great American Solar Eclipse Breaks NASA's Web-Viewing Records
In case you didn't notice, people were really into the Great American Solar Eclipse. I mean, really into it. Just take it from NASA.
Microbes Could Turn Astronaut Pee into Plastic and Nutrients (Video)
Future astronauts could turn their pee and breath into nutrients and raw materials for 3D printers with the help of some industrious microbes, new research suggests.
This Week’s Sky at a Glance, August 25 – September 2
Look low in the west in twilight for the waxing crescent Moon. It forms a triangle with Jupiter and Spica below it. The post This Week’s Sky at a Glance, August 25 – September 2 appeared first on Sky & Telescope.
Foo Fighters Get Cosmic with New Video and Constellation Mobile Viewer
The Foo Fighters' latest song draws from the cosmos for inspiration, and the band's new mobile constellation viewer brings the stars directly to its listeners.
Post-Eclipse, Moon Encounters Another Star (Plus Jupiter) Friday Evening
Friday evening, the moon will have another — admittedly far less exciting, but still interesting — encounter with a bright star, along with a bright planet.
Astronauts, Satellites Track Dangerous Hurricane Harvey from Space (Video, Photos)
As the coast of Texas prepares to be pummeled by the fast-approaching Hurricane Harvey, NASA satellites and astronauts aboard the International Space Station (ISS) are keeping an eye on the potentially life-threatening storm.
Satellites Spy 2017 Solar Eclipse from Space (Videos)
While a long, narrow swath of the United States was treated to a total solar eclipse on Monday (Aug. 21), several different spacecraft captured views of a partially blocked sun.
The Impact of the Temporal Distribution of Communicating Civilizations on their Detectability
We use a statistical model to investigate the detectability (defined by the requirement that they are in causal contact with us) of communicating civilizations within a volume of the universe surrounding our location....