Cosmology in a Brane Universe - This lecture presents the cosmological models with extra dimensions that have been recently elaborated, which assume that ordinary matter is confined on a surface, called brane, embedded in a higher dimensional spacetime.

A Cyclic Universe - An article from Sky & Telescope on the ekpyrotic universe model.

The Cyclic Universe - An informal introduction to the models of the universe which use higher dimension branes.

A Recycled Universe - A scientific american article on the brane-world models of the Universe

A Workshop on the Ekpyrotic Universe - The purpose of this workshop will be to offer the opportunity to discuss issues such as the connection with M-theory and cosmological perturbations in the ekpyrotic scenario.

An Invisible Dimension - Extra spatial dimensions--beyond the three we know--might exist, while being invisible to most experiments. (December 2, 1999)