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A Pair of Comets Are Making a Record-Breaking Pass by Earth
This is the closest a comet has come in 246 years
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Check Out These Photos From Last Night’s Solar Eclipse
Parts of the pacific and Indonesia went dark last night as the moon moved directly between Earth and the sun
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Don’t Miss Jupiter Shine Bright Tonight
As Earth moves between Jupiter and the sun, the gas giant will outshine the stars
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A Solar Eclipse Will Darken Pacific Skies This Week
Though the actual eclipse can only be seen from select locations, don’t miss the live stream of the event online
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Astronomers Finally Tracked a Strange Radio Wave Burst to Its Source
With new insights into radio waves, scientists may be able to measure the mass of the universe
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Marvel at the Newest Map of the Milky Way
It is the most complete map of the cold galaxy ever made
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Happy 543rd Birthday, Nicolaus Copernicus
The Renaissance scientist set the stage for modern astronomy
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Hubble Gets a Whiff of Super-Earth Atmosphere For The First Time
The toasty planet’s atmosphere is similar to a gas giant’s
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Long-Lost Photos of Eclipses and Stars Found in an Observatory Basement
The stash of old negatives includes a 97-year-old copy of the photo that helped confirm the Theory of Relativity
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Night Sky Wonders to Ring in the New Year
The star Sirius is high in the sky, and comet Catalina is at its brightest
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Scientists Are Searching for Space Chemicals That Could Never Exist on Earth
Bizarre chemicals in deep space could help explain the origins of life
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Two Sparkling Meteor Showers Will Bookend the New Year
Sky-watchers should be on the lookout in coming weeks for the Ursid and Quadrantid showers
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A New Earth-Sized Planet Is Getting Astronomers Riled Up
It could be a rare opportunity for scientists to study an exoplanet’s atmosphere
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New Horizons carries an instrument named for Venetia Burney, the 11-year-old girl who named Pluto
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One Man’s Lifelong Pursuit of Pluto is About to Get Real
When the New Horizons spacecraft races by the quasi-planetary body, Alan Stern will have finally met his match
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Why Astronomers Are Fighting Back Against Robotic Lawnmowers
It’s a feud fueled by radio frequencies
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Planets Formed Close to Their Stars Are Named for Vulcan, the Roman God of Fire
Closer to their stars than Mercury is to the Sun, these hot worlds deserve an explanation
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Decoding the Antikythera Mechanism, the First Computer
Hidden inscriptions offer new clues to the origins of a mysterious astronomical mechanism
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How One Physicist’s Pursuit of the Cosmos Took Off in Antarctica
Francis Halzen’s amazing experiment heralds the beginning of a new era in astronomy
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