Some things in cosmology may simply be unknowable. Why is there something rather than nothing? What lies outside the universe? What is inside a black hole? That last one has been niggling at ...

This article explores how our understanding of the universe has evolved—from the scale of everyday experience down to the Planck length ...

When two massive black holes slammed into each other earlier this year, astronomers were able to observe it in the clearest detail to date. Albert Einstein, the father of the theory of general ...

A fresh black hole merger detection has offered the clearest evidence yet for Einstein’s relativity and Hawking’s predictions. Scientists tracked the complete cosmic collision, confirming that black ...

A recent Physical Review Letters study presents a new model for quark star merger ejecta that could resolve whether these cosmic collisions generate ordinary matter or something different.

A wave of aluminum auto body scrap is set to enter salvage systems over the next decade. This scrap is often too impure to safely be reused in new critical automotive parts, limiting its value. That’s ...

Bubbles merging in water can spontaneously generate electric sparks powerful enough to ignite methane, which could explain mysterious flashes of light known as will-o’-the-wisps. In bogs, swamps and ...