Physics and Astronomy Online

Welcome to - the most popular physics and astronomy online portal! We feature latest physics news and editorials, extensive science reference and constants section, education section where you can ask our experts any physics or astronomy related question. Also, don't miss our fun page and our online science store.

ScienceIQ Facts

Physics & Astronomy Facts

Many Happy Returns!

The boomerang is a bent or angular throwing club with the characteristics of a multi-winged airfoil. When properly launched, the boomerang returns to the thrower. Although the boomerang is often thoug ...
NEAR animation of Eros
The Minor Planets

Asteroids are rocky fragments left over from the formation of the solar system about 4.6 billion years ago. Most of these fragments of ancient space rubble - sometimes referred to by scientists as min ...
The Mars Climate Orbiter
The Devil's In The Details

Did you ever make a mistake converting English numbers to metric numbers? Let's hope that your mistake didn't cost anyone $125 million dollars. That's what happened to NASA. The Mars Climate Orbiter's ...

Science Sidebar

Science Fair Projects Tips
Keeping kids interested in science
Cool summer science projects