Astrophysics

A galactic satellite reveals where some of our galaxy's elusive material is hiding 

Comet 67P/Churyumov-Gerasimenko’s incongruous chemical composition and shape raise questions about the origin of our solar system

Living on a small planet in a big universe exposes us to all manner of existential problems, but what are the worst, and what are the weirdest?

The LHC and the Belle experiment have found particle decay patterns that violate the Standard Model of particle physics, confirming earlier observations at the BaBar facility

New study shows the sun may have snatched Sedna, Biden and other objects away from a neighbor

The fruits of one mind shaped civilization more than seems possible

The mystery of black holes and information loss is too thorny for a quick resolution

The hunt for these mysterious “missing-matter” substances has now taken a leap forward, thanks to two new lab experiments

A hundred years on, and the implications of Einstein's general relativity still surprise and delight

Research reveals today's produced energy is only about half of what it was 2 billion years ago

Scientists simulate the signatures of “bumpy” black holes to test Einstein’s famously resilient theory of general relativity yet again