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New Proof Finds the ‘Ultimate Instability’ in a Solar System Model
For the first time, mathematicians have proved that planetary orbits in a solar system will always be unstable.
Astronomers Dig Up the Stars That Birthed the Milky Way
There once was a cosmic seed that sprouted the Milky Way galaxy. Astronomers have discovered its last surviving remnants.
Astronomers Say They Have Spotted the Universe’s First Stars
Theory has it that “Population III” stars brought light to the cosmos. The James Webb Space Telescope may have just glimpsed them.
Standard Model of Cosmology Survives a Telescope’s Findings
Reports that the James Webb Space Telescope killed the reigning cosmological model turn out to have been exaggerated. But astronomers still have much to learn from distant galaxies glimpsed by Webb.
Webb Space Telescope Snaps Its First Photo of an Exoplanet
The grainy image of a “super-Jupiter” is a sign of what’s to come as the telescope’s exoplanet observations ramp up.