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This Puerto Rican Telescope Was Built in a Massive Sinkhole
In 1958, the Pentagon wanted to build a 1,000-foot-long telescope for its ballistic missile program
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The Swirling Storm Above Saturn’s North Pole Changed Colors
The years-long shift may be a sign of changing seasons
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This Breathtaking Map Traces Hydrogen Throughout the Milky Way
Scientists have made the most detailed map of our home galaxy’s hydrogen currently possible
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Uranus May Have Been Hiding Two Moons
Researchers spotted ripples in the planet’s rings, which may be tracks left from two tiny moons
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Craters Are Forming on the Moon Faster Than Anyone Predicted
New research digs into the changes on the pockmarked lunar surface
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There Are Ten Times as Many Galaxies as Previously Thought
By these latest estimates, two trillion galaxies are scattered throughout the vast universe
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Say Hello to Our Solar System’s Newest Dwarf Planet
Spotting the dwarf planet could help in the search for Planet Nine
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October Skies Herald Meteor Showers Throughout the Month
The Draconid and Orionid meteor showers will streak across night skies this month
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Our Galactic Neighborhood Is Bigger Than Scientists Once Thought
Goodbye spur, hello spiral arm
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China Switches on the World’s Largest Radio Telescope
Measuring 1,640 feet across, the massive device will scour the skies for signs of life and new galaxies
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NASA Didn’t Change Your Astrological Sign, Blame It on Earth’s Wobbly Rotation
Astrology is not a science
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Scientists Finally Figured Out Why Pluto Has That Icy Heart
The dwarf planet’s geography, atmosphere and chemistry helped form its most famous feature
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This Weekend’s Stargazing Triple Threat: Harvest Moon, Eclipse and Possible Supermoon
This will be the last harvest moon eclipse until 2024
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That “Strong” SETI Signal Probably Isn’t Aliens
Sorry folks, E.T. is still not phoning home
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Discovery of a New Class of Galaxies Challenges Our Understanding of How Galaxy Formation Works
Dragonfly 44 near the Coma cluster has the same mass as the Milky Way but only 1 percent of the visible matter
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Astronomers Have Discovered an Earth-Sized Exoplanet in Our Cosmic Backyard
But what would potential life look like on this planetary neighbor?
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Why the Universe Needs More Black and Latino Astronomers
Astronomy has one of the worst diversity rates of any scientific field. This Harvard program is trying to change that
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Long After Einstein, Cosmic Lensing Reaches Its Full Potential
How Hubble is taking advantage of Einstein’s theories to study the most distant galaxies
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Part of Your Suntan Comes From Photons That Are Billions of Years Old
Thank bodies from beyond the galaxy for a bit of that golden glow
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This Scientist Seeks Out the Secret History of Other Worlds
Maria Zuber has spent her career enabling discoveries beyond Earth. She says the best is yet to come
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