Many companies dream of actually knowing what their customers really want, without having to ask them. Los Angeles-based startup Gravity created the "interest graph" -- a technology that makes the ...

The success of Facebook comes down to the concept of the social graph. The geeks explain it this way: It draws an edge between you and the people, places, and things you interact with online.

The GRAIL data indicated that the mascons, which resulted from asteroid impacts more than 3 billion years ago, appear in a target pattern. There is a surplus of gravity in the bull’s-eye ...

First he grasped that gravity and acceleration are the same thing. His General Theory of Relativity, formulated in 1915, describes gravity as a consequence of the way mass curves “space-time ...