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Jun 20

The science behind the summer solstice

By Stephen Schneider, The Conversation

The summer solstice brings the longest day and shortest night of the year for 88 percent of Earth’s people.

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May 10

5 things you never knew about the New Horizons mission to Pluto

By Rashmi Shivni

NASA New Horizons mission leader Alan Stern and astrobiologist David Grinspoon divulge the most intimate accounts of the decades of planning needed for the Pluto probe in the new book “Chasing New Horizons.”…

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Apr 16

WATCH LIVE: TESS, NASA’s new exoplanet hunter, launches on a SpaceX Falcon 9 rocket

By Jason Steffen, The Conversation

NASA's Transiting Exoplanet Survey Satellite (TESS) will monitor more than 200,000 stars to discover thousands of exoplanets, ranging from Earth-sized to gas giants.

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Dec 18

‘Oumuamua, the alien asteroid, wears an organic coat. But what’s inside?

By Rashmi Shivni

In the latest ‘Oumuamua update, a research team deciphers the chemical makeup of the cigar-shaped rock.

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Nov 22

This asteroid is our solar system’s first known ‘alien’ visitor

By Rashmi Shivni

A cigar-shaped asteroid named ‘Oumuamua is our solar system's first interstellar visitor -- that we know of.

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Nov 01

100 years of Mount Wilson’s 100-inch telescope, the first to discover the universe

By Rashmi Shivni

Happy 100th birthday to the 100-inch telescope, best known for being the first to see beyond our Milky Way galaxy. That’s right, it spotted the universe!…

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Oct 18

Watch 6:08
Witnessing the collision of two neutron stars is a ‘textbook changer.’ Here’s why

By Miles O'Brien

Astronomers witnessed for the first time ever a rare collision of two dense neutron stars. The discovery began with an instrument called LIGO, which won this year’s Nobel Prize for its discovery of gravitational waves once predicted by Albert Einstein.

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Oct 18

This Japanese ‘hidden figure’ enlightened the world with her sunspot sketches

By Rashmi Shivni

Hisako Koyama's lifelong passion for the glimmering sky and her meticulous sunspot drawings shaped the modern field of space weather.

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Oct 16

Neutron star collision offers new source of gravitational waves

By Rashmi Shivni

Astronomers have discovered a collision of neutron stars that released both a stream of gravitational waves and a flash of light, backing one of Einstein's theories.

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Aug 21

These photographs capture the eclipse as it crosses the continental U.S.

By Julia Griffin

For the first time in nearly a century, a total solar eclipse is casting a shadow from coast to coast and plunging millions of eager onlookers into temporary darkness. From the “first kiss” in Lincoln Beach, Oregon, to the final…

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Friday, Sep 5
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