Air traffic controllers across the country have grappled with radar and communications outages for years, CNN review finds.

On 11 April 2025, AP noted that the two-year-old Civil War in Sudan is regarded by the United Nations as "the world’s worst humanitarian crisis", though it is grossly underreported (see Wake up: The ...

When people think of black holes, they imagine something dramatic: a star exploding in space, collapsing in on itself, and ...

An international team of astronomers has successfully demonstrated a new technique to observe especially faint black holes by ...

Astronomers have discovered two massive black holes in a galaxy 2 billion light-years away. This marks the first time one of ...

In a first-of-its-kind test, scientists used a levitated magnet to search for dark matter, the unidentified substance believed to be present throughout the cosmos. If dark matter is made up of ...