Finding Pluto—the hunt for Planet X

Our solar system's shadowy ninth (dwarf) planet was the subject of furious speculation and a frantic search for almost a century before it was finally discovered by Clyde Tombaugh in 1930. And remarkably, Pluto's reality ...

NASA image: Flying over an aurora

NASA astronaut Scott Kelly (@StationCDRKelly) captured photographs and video of auroras from the International Space Station on June 22, 2015.

Image: Tropical Storm Bill from the International Space Station

NASA astronaut Scott Kelly (@StationCDRKelly), currently on a one-year mission to the International Space Station, took this photograph of Tropical Storm Bill in the Gulf of Mexico as it approached the coast of Texas, on ...

NASA image: Early morning sunrise over the Grand Canyon

From the International Space Station, NASA astronaut Terry Virts (@AstroTerry) took this photograph of an early morning sunrise over the Grand Canyon and posted it to social media on May 10, 2015.

Using 19th century technology to time travel to the stars

In the late 19th century, astronomers developed the technique of capturing telescopic images of stars and galaxies on glass photographic plates. This allowed them to study the night sky in detail. Over 500,000 glass plate ...

Frenchman fights to make Gabon a gorilla haven

Hearing the dreaded sound of human footsteps, three enormous gorillas jump down from the branches of central Gabon's lush rainforests and rush off into the distance.

Nano piano's lullaby could mean storage breakthrough

Researchers from the University of Illinois at Urbana-Champaign have demonstrated the first-ever recording of optically encoded audio onto a non-magnetic plasmonic nanostructure, opening the door to multiple uses in informational ...

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