The universe is about 13.8 billion years old. Venus is the hottest planet due to a runaway greenhouse effect. Elliptical galaxies are the most common type. Stars produce energy through nuclear fusion.

Astronomers have been treated to a stunning fireworks display from around a young star called The events, detected in 2004 ...

"What is remarkable is that the time between pulse pairs seems to follow a choreographed pattern." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...

The article recounts the author's personal journey into astronomy, highlighting several influential beginner astronomy guidebooks from various eras, including "Stars: A Guide to the Constellations," ...

Learn more about brown dwarfs, the cosmic misfits that blur the line between planet and star.