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Everything Forever
the greater universe is infinite.
http://www.everythingforever.com/
Geometrical Physics
astrophysicist Jean-Pierre Petit presents his research in physics, cosmology, astronomy and mathematics. In French and English.
http://www.jp-petit.com/
Grand Unification Hypothesis
space and time are now suspect as being neither absolute nor fundamental.
http://www.zyx.org/
Grand Unified Theory: Wave Theory
by Dr. Chaim H. Tejman. Explains every principal process that occurs in nature by introducing energetic matter as the basic force (matter), which formed wave formations.
http://www.grandunifiedtheory.org.il/
Official String Theory Web Site
for the non-specialist, including audio interviews with string theorists, and a tour of the Big Bang.
http://www.superstringtheory.com/
The Nature of Existence
an ex nihilo derivation of existence as a unique consequence of impossibility in a 'state of nothing.'
http://www.ebtx.com/