Astronomers
Marvel at the Newest Map of the Milky Way
It is the most complete map of the cold galaxy ever made
Happy 543rd Birthday, Nicolaus Copernicus
The Renaissance scientist set the stage for modern astronomy
Hubble Gets a Whiff of Super-Earth Atmosphere For The First Time
The toasty planet’s atmosphere is similar to a gas giant’s
Happy 452nd Birthday, Galileo
The revolutionary who helped shape modern astronomy
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
Night Sky Wonders to Ring in the New Year
The star Sirius is high in the sky, and comet Catalina is at its brightest
Scientists Are Searching for Space Chemicals That Could Never Exist on Earth
Bizarre chemicals in deep space could help explain the origins of life
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
A New Earth-Sized Planet Is Getting Astronomers Riled Up
It could be a rare opportunity for scientists to study an exoplanet’s atmosphere
How Pluto Got Its Name
New Horizons carries an instrument named for Venetia Burney, the 11-year-old girl who named Pluto
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
Why Astronomers Are Fighting Back Against Robotic Lawnmowers
It’s a feud fueled by radio frequencies
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
Decoding the Antikythera Mechanism, the First Computer
Hidden inscriptions offer new clues to the origins of a mysterious astronomical mechanism
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
Why Carl Sagan is Truly Irreplaceable
No one will ever match his talent as the “gatekeeper of scientific credibility”
Top Ten Mysteries of the Universe
What are those burning questions about the cosmos that still baffle astronomers today?
Hypatia, Ancient Alexandria’s Great Female Scholar
An avowed paganist in a time of religious strife, Hypatia was also one of the first women to study math, astronomy and philosophy
Galileo's Revolutionary Vision Helped Usher In Modern Astronomy
The Italian scientist turned his telescope toward the stars and changed our view of the universe
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