What is a Coronal Hole? NASA has discovered a massive butterfly-shaped coronal hole on the Sun. Learn about these coronal ...

Astronomers have caught a blast of hot wind streaming from the Milky Way’s central black hole, Sgr A*, for the first time ...

In the 1980s, Finnish astronomer Aimo Sillanpää noticed its repeating light pattern and proposed the idea of two black holes.

In what appears to be the second giant hole appearing on the Sun, scientists have reported that Earth may be smacked by a stream of solar wind traveling as fast as 1.8 million miles per hour. The ...

Astronomers suspect that in the first second after the universe formed, the very first black holes also formed. These tiny though profoundly dense objects — think of an atom-sized particle wielding ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The sun's returning coronal hole could stir up geomagnetic storms and dazzling auroras under clear, dark skies this weekend.

The sun has developed a massive “hole” 20 times larger than Earth, marking the second such occurrence in a week. The coronal hole is unleashing solar winds of 2.9 million km/h toward Earth, which will ...

Microdiamonds have been discovered in two areas of a well, confirming the existence of an extensive kimberlite system of ...

An illustration of a type of black hole called a blazar. A blazar is a black hole with a jet of energy that happens to be (harmlessly) aimed at Earth. Credit: M. Weiss / CFA We know, the headlines can ...

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