Hot spots and tunnels to neighboring "superbubbles" seem to have been created by supernovas and infant star outbursts. When you purchase through links on our site, we may earn an affiliate commission.

Did you know our entire Solar System is cocooned inside a giant protective bubble, known as the heliosphere? Created by the perpetual outflow of charged particles from the Sun, called the solar wind, ...

Explore the true scale of the Solar System in this video, which illustrates the relative sizes of the planets and their ...

The comet is only the third interstellar object ever detected from a solar system outside our own. Astronomers unveiled a striking new view of the interstellar visitor 3I/ATLAS on its journey toward ...