These popular astronomy questions, answered by Astronomy magazine, will help you better understand our universe - and share ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

The "Star Trek" legend's only son will discuss his memoir at the annual space-themed event.

Located approximately 27,000 light-years (one light year equals approximately nine trillion kilometres) from Earth — relatively close when it comes to galactic black holes — Sag A* has an estimated ...

A flash of light called the Platypus has hallmarks of a mid-sized black hole shredding a star and a type of burst thought to be a stellar explosion.

Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient ...

material science and astronomy. A millihertz frequency X-ray quasi-periodic oscillation has been observed near the innermost orbit of an actively accreting supermassive black hole and its ...

Among the roughly 10 billion white dwarf stars in the Milky Way galaxy, a greater number than previously expected could ...