Science
The Milky Way Flipped its Disk Billions of Years Ago
The Milky Way has two disks, the thin disk where most of the stars dwell, and the thick disk, populated by much older stars. The ESA's Gaia mission showed us that the thick disk rotates more slowly than the thin disk. The culprit, according to powerful si...
The First Confirmed Exo-satellite Challenges Our Definitions of Planets and Moons
What do you call a Jupiter-like object that orbits the brown dwarf companion of a star? Is it a planet, a moon, or something new?
Chandrasekhar and the Limits of Physics, Part 4: Vindication
The collapsing stars Eddington swore couldn't exist turned out to be everywhere, and half a century later the world handed Chandrasekhar his Nobel. How the 1.4 solar mass limit became one of the most important numbers in modern astronomy.
The Red Potato Galaxy and its Stifling Neighbour
Galaxies attract cold gas from the intergalactic medium and turn it into stars. But the JWST has found galaxies that aren't forming stars in the early Universe, long before they should've become quiescent. In at least one instance involving the Red Potato...
Probing the Universe's Missing Matter With Mysterious Fast Radio Bursts
Astronomers aren't certain where Fast Radio Bursts come from. But they still have utility. They can use them to find the Universe's "missing matter."
These Nearby Alien Planets Are Stranger – and More Hostile – Than Expected
Barnard’s Star hosts four hostile small planets whose unusual chemistry and orbital rhythm reveal how compact planetary systems can form and survive.
A Powerful Cosmic Accelerator Has Been Confirmed in the Milky Way
Scientists have identified an accelerator that produces the highest-energy protons in our galaxy, a finding that could clarify the nature of the fast-moving particles filling the space between stars.
Common Food Additive Linked To Gut Inflammation
A widely used food thickener may have more complex effects on the gut than previously recognized.
Common Diet Advice About Water and Spicy Food May Be Completely Wrong
Water and spice influenced eating in opposite and unexpected ways during controlled meal experiments.
Researchers Warn Women About Viral Exercise Myths
Women may benefit more from simple, evidence-based exercise and nutrition habits than from rigid social media advice.