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Astronomy
385 articles-
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 -
What Baby Planets with the Density of Styrofoam Reveal
New research leads to important clues about how the most common planets are formed -
Astronomers Witness Star Exploding at the Edge of the Universe
It’s the most distant supernova recorded to date -
Milky Way’s Twin Causes Rethink of Galactic Evolution
The newly discovered precocious young galaxy appears to have formed in record time -
A Martian Milestone Captures a Mysterious Dark Spot
The idea came from a Colorado high school student -
How to Glimpse the Prime Meteor Shower of 2026
The Quadrantids rank among the most spectacular sky shows of the year -
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 -
Celebrate the New Year With This Cosmic Champagne Cluster
A new look at the cluster offers evidence of a dramatic space crash
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The Photos That Shaped Our Understanding of Earth’s Shape
Visual evidence of our planet’s curvature is relatively recent
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This Big Space Sandwich Broke a Record
A particularly massive and chaotic baby planetary system captured in exquisite detail
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Saturn’s Rings Are Thicker Than We Thought
New research points to a wide band of particles, invisible to telescopes
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Did a Rogue Planet Bring Order to Our Solar System?
New models suggest a celestial bypasser left us with the current orbital lineup
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Monster Stars Roamed the Cosmos at the Dawn of Time
“A bit like dinosaurs on Earth—they were enormous and primitive”
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These Baby Stars Have Mysterious Companions
The Gaia telescope peeked through gas and dust to pick out the possible beginnings of new planets around infant stars
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Cosmic Collision Caught on Camera
Astronomers witnessed the aftermath of not one but two collisions in space -
Titan May Not Host a Massive Ocean After All
But the moon’s slushy interior could still harbor pockets of life-sustaining water -
How Earth’s Atmosphere Reached the Moon
And what this might mean for colonizing other worlds -
Astronomers Observe Spacetime Whirlpool for the First Time
This theoretical phenomenon was discovered after being predicted by Einstein more than a century ago -
Was the Earth Created by a Supernova Shockwave?
New model suggests cosmic rays from a supernova led to the formation of our planet