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Astronomy
324 articles-
The First Sea-to-Space Chat
An astronaut-turned-aquanaut made history on a long-distance call with friends -
Visit the 7 Most Extreme Planets in the Universe
From molten glass rain to oceans of lava, an intergalactic tour of the most terrifying and beautiful climates out there -
Looking for Life’s Source on Ceres
The dwarf planet might have had a hot core and liquid oceans -
The Cosmos Is Trying to Kill Us
Airbursts from space may be more common than we thought -
This Mars Probe Went Missing
A space tragedy illuminates the risks of penny pinching -
Eye of Sauron Hints at Cosmic Mystery
A possible answer to a puzzle at the heart of a flaming jet -
Wild Orbits Prime Planets for Life
Looking for habitable worlds? Check the ones with extreme swings. -
First Views of the Perseid Meteor Shower
An early peep for this year’s peak -
Spying the Medusa Slayer’s Meteor Shower
The annual Perseid shower spectacle is back—here’s how to view it and where it comes from -
The First Lunar Road Trip
In 1971, NASA made history with the first moon cruise—and the relic remains
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The Dawn of Bathtub Cosmology
A phenomenon that captured the imaginations of generations of bathers may be key to understanding planetary formation
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Behold These Hidden Galaxies
Up to 100 tiny orphan galaxies may lurk in the shadows of our own Milky Way
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The Woman Behind the World’s Biggest Camera
Vera Rubin overcame abundant obstacles to become a leading light in cosmology -
How to Build a Planet from Dust
The answer is blowing in the (stellar) wind -
Stranger Things in the Universe
New data about dark energy is a reminder that cosmology is a never-ending story -
A Tiny Star Poses Big Questions
A small red dwarf seems to have birthed a hulking gas giant, upending prevailing theories of planet formation -
View the Sun’s Freckles Closer Than Ever
A telescope upgrade offers an unusually crisp look at solar chaos