Two of the universe’s most extreme objects—black holes and neutron stars—can spiral into cosmic collisions that crack crusts, ...

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have formed ...

It offers an introduction to the exact solutions of Einstein's vacuum field equations, describing spherical and axisymmetric (rotating) black holes ... Case II: Capture of low energy particles -- 2.8.

For decades, scientists have believed there should be black holes that fall between two well-known types. On one end are ...

The universe seems to be spinning, and that could explain what dark energy is and why it's weakening while revealing our ...

Physical equations enable us to predict the future, but singularities imply a lack of predictability; theory just breaks down ...

Sagittarius A* has been seen by human eyes with an "image produced by a global research team called the Event Horizon Telescope (EHT) Collaboration" according to the European Southern Observatory. The ...