The Znamya project had the potential to change the world. The BBC's Tomorrow's World reported on an experiment that was ...

This story was excerpted from Adam Berry's Rays Beat newsletter. To read the full newsletter, click here. And subscribe to get it regularly in your inbox. This story was excerpted from Adam Berry's ...

The Rays celebrate at Tropicana Field after defeating the Red Sox to win the pennant in 2008. (AP) Soaring after 10 straight losing seasons, the Rays made a one-year, 31-game improvement from 2007 to ...

Wherever the Tampa Bay Rays' future is, it may not be in the city they've called home for 27 years. In his State of the City address on Tuesday, St. Petersburg, Fla. mayor Ken Welch said the ...

Watching content on a Blu-ray player is still one of the best way to enjoy your favorites, and if you're the type of person who has a big disc library or likes the idea of actually owning the ...

We asked experts if regular exposure to low levels of radiation could be harmful to health. Credit...Joyce Lee for The New York Times Supported by By Melinda Wenner Moyer Q: It seems as if every ...

Everyone who has been to the dentist has had dental X-rays at some point, whether as part of their routine visit or to help diagnose a problem. So, what exactly are dental X-rays for and why are they ...

Day 3: Light - Reflection Revise the laws of reflection and ray diagrams for plane mirrors. Study spherical mirrors: concave and convex (focal length, uses). Solve ray-diagram problems and ...