Astronomy
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
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
