Astronomy

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Scientists Just Measured the True Color of a Far-Off Planet

For the first time, scientists have measured the color of a far off planet

The Sun’s tail, or ‘heliotail,’ as seen by IBEX.

For the First Time, NASA Took a Photo of the Sun’s Tail

Stretched by the interstellar medium, the Sun's tail stretches far behind us

Looking west from the Apollo 11 landing site.

Legislators Want to Put a National Park on the Moon

A bill in the House of Representatives wants to protect the Apollo landing sites. But can it?

P4 and P5, now Kerberos and Styx. Photo: NASA, ESA, M. Showalter

Astronomers Pull Rank, Name Pluto’s Moons After the Underworld, Not Star Trek

Say hello to Pluto's newest moons, Styx and Kerberos

Phobos

Mars’ Tiny-Looking Moon Is Slowly Crash-Landing on the Planet

Mars' moon Phobos may look small in the sky, but it won't for long

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The Big Bang: Enthralling Photos of Exploding Bullets

Houston photographer Deborah Bay captures the violent power of projectiles lodged in bulletproof plexiglass

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One of Our Nearest Neighbor Stars Has At Least Six Planets, And Three May Be Habitable

Three potentially habitable planets orbit a star just 22 light years away

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This Stunning, Six-and-a-Half Hour Video of the Night Sky Will Transport You to the Desert

A Supermoon in 2009 rises below the San Francisco Bay Bridge.

Get Set for Saturday’s Supermoon

This Saturday's Supermoon will be the most Supermoon-y Supermoon of the year

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Check Out This Beautiful Gigapixel Panorama of Mars

This huge gigapixel panorama gives a stunning view of the red planet

A New 3D Map of the Universe Covers More Than 100 Million Light-Years

The map makes infinity seem comprehensible by depicting the structures of galaxy clusters, dark matter and open patches of lonely space

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Spaceships Made of Plastic Could Carry Us to Mars

Plastic is way better than aluminum at blocking cosmic rays

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On Venus It Snows Metal

To add to the list of crazy things about space, is this fact: on Venus, it snows metal

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Teeny Tiny Rock Fragments Testify That a Meteor Caused the Biggest Impact Event in Recorded History

On June 30, 1908, an enormous explosion in a remote stretch of Siberia flattened and bruned nearly 1,000 square miles of forest, totaling around 80 million trees

Even Astronauts Have Accidents

Peeing in space is way harder than you might think

A Galactic GPS System That’s Now in the Works Could Help Our Descendants Navigate Through the Universe

The International Space Station aims to be testing out an interplanetary GPS system by 2017

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This Is an Actual Photo of a Planet in Another Solar System

This is a planet, 300 light years away, as seen through the Very Large Telescope

Lisa Randall is the first female theoretical physicist tenured at Harvard.

Lisa Randall’s Guide to the Galaxy

The famed cosmologist unveils her latest theories on the invisible universe, extra dimensions and human consciousness

Planetary Resources president Chris Lewicki stands next to the Arkyd space telescope.

A Space-Based Telescope for the People Wants Your Support

An asteroid mining company wants your money to put a satellite telescope that you can control into space

As part of the Star Songs project, X-ray emissions from the EX Hydrae system (above, near center)—in which one star pulls matter from its partner—are converted into music.

How to Convert X-Rays From A Distant Star into Blues, Jazz and Classical Music

A vision-impaired scientist, her coworker, and a composer team up to transform light bursts from stars into rhythms and melodies

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