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Astronomy
392 articles-
Spaceflight Prematurely Ages Astronauts
New research looks at the effects of spaceflight on biological age -
The First Observation of the Fiery Lifecycle of a Massive Solar Storm
“It’s a milestone in solar physics” -
Why Europa Might Not Have Life After All
Europa’s seafloor might be “too quiet” to support life -
How Jupiter and Saturn Dictate Earth’s Oil Deposits
Jurassic mudstones reveal how the heavens impact Earth -
An Asteroid Impact May Explain Our Lopsided Moon
The crash might have radically transformed the lunar interior -
Space Exploration Speaks to the Core of Who We Are
Astrobiologist Caleb Scharf’s 3 greatest revelations while writing his latest book, The Giant Leap -
We’re Evolving Beyond This Rock Right Now
Life is already busy making its transition to being interplanetary -
Rogue Planet Weighed for the First Time
“The galaxy may be teeming with rogue planets” -
When We Learned Our Universe Is Speeding Up
Violent star blasts pointed to a huge cosmological surprise -
These Overlooked Stars Might Point to Livable Planets
A close look at the compelling colors emitted by K-dwarfs
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What Baby Planets with the Density of Styrofoam Reveal
New research leads to important clues about how the most common planets are formed
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Astronomers Witness Star Exploding at the Edge of the Universe
It’s the most distant supernova recorded to date
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Milky Way’s Twin Causes Rethink of Galactic Evolution
The newly discovered precocious young galaxy appears to have formed in record time
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A Martian Milestone Captures a Mysterious Dark Spot
The idea came from a Colorado high school student
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How to Glimpse the Prime Meteor Shower of 2026
The Quadrantids rank among the most spectacular sky shows of the year
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Everything We Thought We Knew About How Stardust Spreads Across the Cosmos Is Wrong
An analysis of stardust 180 light-years from Earth had some illuminating lessons
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Celebrate the New Year With This Cosmic Champagne Cluster
A new look at the cluster offers evidence of a dramatic space crash -
The Photos That Shaped Our Understanding of Earth’s Shape
Visual evidence of our planet’s curvature is relatively recent -
This Big Space Sandwich Broke a Record
A particularly massive and chaotic baby planetary system captured in exquisite detail -
Saturn’s Rings Are Thicker Than We Thought
New research points to a wide band of particles, invisible to telescopes -
Did a Rogue Planet Bring Order to Our Solar System?
New models suggest a celestial bypasser left us with the current orbital lineup