Introduction to Inflationary Cosmology
Introduction to cosmology and inflation by Scott Watson of Brown University.
http://nedwww.ipac.caltech.edu/level5/Watson/Watson_contents.html

String Cosmology
A lecture on aspects of superstring theory and cosmology.
http://arxiv.org/abs/hep-th/0111275

Cosmology Made Simple
A very basic overview of cosmology
http://www.geocities.com/autotheist/Physics/cosmo.htm

A Quantum Leap for Cosmology
A theory that unites quantum mechanics and general relativity claims that there was no first moment in time, but it still agrees with the predictions of classical cosmology.
http://physicsweb.org/article/world/14/11/3

Friedmann-Lemaitre Cosmological Models
Article from Eric Weisstein's World of Physics.
http://scienceworld.wolfram.com/physics/Friedmann-LemaitreCosmologicalModel.html

Topology of the Universe
A thesis which studies the possible topologies of the universe and their physical implications.
http://www.maths.lse.ac.uk/Personal/mark/topos.pdf

Einstein-deSitter Model
An article on the Einstein-deSitter model of cosmology
http://scienceworld.wolfram.com/physics/Einstein-deSitterCosmologicalModel.html

The Possible Geometries for Space
A short article on the possible structures for space in the Friedmann-Robertson-Walker model
http://www.jupiterscientific.org/sciinfo/cosmology/frwgeometry.html

New Developments in Cosmology
A review of how the understanding of our Universe has evolved
http://www.jupiterscientific.org/sciinfo/newcosmology.html

Cosmological Models
The aim of this set of lectures is a systematic presentation of a 1+3 covariant approach to studying the geometry, dynamics, and observational properties of relativistic cosmological models.
http://it.arxiv.org/abs/gr-qc/9812046

Cambridge Cosmology Homepage
A site dedicated to cosmology, both basic and advanced, maintained by Cambridge university
http://www.damtp.cam.ac.uk/user/gr/public/cos_home.html

An Exposition on Inflationary Cosmology
In this paper, the fundamentals of modern cosmology for an isotropic and homogeneous space-time will be reviewed. Other issues suggesting a more general theory are presented and inflation is introduced as a resolution to this conundrum.
http://nedwww.ipac.caltech.edu/level5/Watson/TOC.html

Low Density Inflationary Universes
A review of the geometry and density of the universe, with a focus on inflationary models.
http://www.damtp.cam.ac.uk/user/gr/public/inf_lowden.html

Everything Forever; Learning to See and Model All Possible Universes
This site is intended to help the reader step outside of time and imagine the shape of what is ultimately possible in a timeless universe.
http://everythingforever.com

Cosmology from Topological Defects
Lecture Notes delivered at the Xth Brazilian School on Cosmology and Gravitation, Mangaratiba, Rio de Janeiro, July 29 - August 9, 2002.
http://arxiv.org/abs/astro-ph/0303504

String Cosmology: A Review
Talk presented at COSPAR '02, Houston, Texas, October 2002.
http://arxiv.org/abs/astro-ph/0303499

Particle Aspects of Cosmology and Baryogenesis
An introduction to particle aspects of cosmology with particular reference to primordial nucleosynthesis, dark matter and baryogenesis is provided. In particular, various scenarios-GUT baryogenesis, electroweak baryogenesis and baryogenesis through leptogenesis are reviewed.
http://arxiv.org/abs/hep-ph/0302020

Introductory review of cosmic inflation
These lecture notes provide an introduction to cosmic inflation. In particular the basic concepts of inflation, generation of density perturbations, and reheating after inflation.
http://arxiv.org/abs/hep-ph/0304257

Numerical Simulations in Cosmology I: Methods
This lecture gives a short introduction to different methods used in cosmology. The focus is on major features of N-body simulations: equations, main numerical techniques, effects of resolution, and methods of halo identification.
http://it.arxiv.org/abs/astro-ph/0005502

A Brief History of Universe
Articles about the Universe, Cosmology, Quantum Mechanics, Relativity and collection of some FAQ's.
http://www.angelfire.com/space2/chaminda/

Cosmology II: From Planck Time to BBN
Progress in early Universe cosmology, including strings, extra dimensions, inflation, phase transitions, and baryogenesis, is reviewed.
http://arxiv.org/abs/hep-ph/9909247

Introduction to Cosmology - High Energy Physics - Phenomenology
A set of postrscript lecture notes by George Lazarides on the basic principles of cosmology.
http://arxiv.org/abs/hep-ph/9904502

From Newton's Laws to the Wheeler-deWitt equation
This is a pedagogical paper which explains some ideas in cosmology at a level accessible to undergraduate students. Following standard quantization procedures the Wheeler-DeWitt equation in the minisuperspace approximation is derived for empty and non-empty universes.
http://arxiv.org/abs/physics/9806004

Minkowski Functionals in Cosmology
Minkowski functionals provide a novel tool to characterize the large-scale galaxy distribution in the Universe. A brief tutorial on the basic features of these morphological measures and indicate their practical application for simulation data and galaxy redshift catalogues as examples.
http://arxiv.org/abs/astro-ph/9508154

A Review of Inflationary Cosmology
The aim of this lecture is to highlight two areas of recent progress in inflationary cosmology, namely reheating and the quantum theory of cosmological perturbations.
http://arxiv.org/abs/hep-ph/0101119

Multidimensional Gravity and Cosmology
A short review of recent results on exact solutions in multidimensional cosmology
http://arxiv.org/abs/gr-qc/9801037

Mathematical Cosmology
A review of current unsolved problems in mathematical cosmology
http://arxiv.org/abs/gr-qc/0107090

Introduction to Cosmology - Astrophysics
These notes form an introduction to cosmology with special emphasis on large scale structure, the cmb anisotropy and inflation. In some places a basic familiarity with particle physics is assumed, but otherwise no special knowledge is needed.
http://arxiv.org/abs/astro-ph/9312022

A Simple Introduction to Pre-Big-Bang Physics/Cosmology
A simple, non-technical introduction to the pre-big bang scenario is given, emphasizing physical motivations, considerations, and consequences over formalism.
http://arxiv.org/abs/hep-th/9802057

Elementary introduction to pre-big bang cosmology and to the relic graviton background
This is a contracted version of a series of lectures for graduate and undergraduate students
http://arxiv.org/abs/hep-th/9907067

Dynamical Systems in Cosmology
A tutorial introducing the use of dynamical systems to study the large scale structure of the universe.
http://arxiv.org/abs/gr-qc/9910074

Cosmic Topology
General relativity does not allow one to specify the topology of space, leaving the possibility that space is multi- rather than simply- connected. This paper reviews the mathematical properties of multi-connected spaces, and the different tools to classify them and to analyse their properties.
http://fr.arxiv.org/abs/gr-qc/9605010

Space, Time, and Cosmology
Learn about the origins of the universe and its fate. Einstein's Theory of Relativity is both interesting and comprehensible.
http://www.drphysics.com/relativity.html

Cosmology Tutorial
Preliminary introduction to General Relativity and its application to Cosmology. Also study of stringy matter as a part of the Universe.
http://surhudm.tripod.com/seminarhtml

Scientific American: Four Keys to Cosmology
The big bang theory works better than ever. If only cosmologists could figure out that mysterious acceleration....
http://www.sciam.com/article.cfm?chanID=sa006&articleID=0005DCFC-253F-1FFB-A53F83414B7F0000

The Cosmological Constant
The following pages present a discussion of the role the cosmological constant plays in modern cosmology. They are designed to offer an overview of how the cosmological constant alters standard cosmology, and to discuss whether a non-zero cosmological constant exists today.
http://super.colorado.edu/~michaele/Lambda/lambda.html

Cosmological Constant
Recently two different groups have measured the apparent brightness of supernovae with redshifts near z = 1. Based on this data the old idea of a cosmological constant is making a comeback.
http://www.astro.ucla.edu/~wright/cosmo_constant.html

Cosmological models (Cargèse lectures 1998)
The aim of this set of lectures is a systematic presentation of a 1+3 covariant approach to studying the geometry, dynamics, and observational properties of relativistic cosmological models.
http://arxiv.org/abs/gr-qc/9812046

Classic research papers in relativistic cosmology
Online list of classic research papers in relativistic cosmology and general relativity, with links to arXiv.org when available.
http://www.maths.qmul.ac.uk/~hve/paplist.html

University of Alberta Theoretical Physics Institute
Includes a staff list and a brief description of work done in that centre.
http://fermi.phys.ualberta.ca/

Cosmology: Methodological Debates 1932-48
Discusses philosophical views about cosmology in the 1930s and 1940s; from the Stanford Encyclopedia, by George Gale.
http://plato.stanford.edu/entries/cosmology-30s/

Stephen Hawking's Universe
Detailed explanations of the most important ideas and developments in human understanding of the universe. Includes original essays by some of today's leading figures in cosmology, along with original illustrations, program descriptions, explanations of cosmological terms and theories, and brief biographies. Also, the Ask the Experts section encourages the audience to submit questions, some of which will be answered by experts in the field.
http://www.thirteen.org/hawking/

Big Bang Cosmology
This page presents a fairly extensive overview of the big bang model. Topics include nucleosynthesis, the Friedmann equation, and the cosmological constant.
http://www.scienceandreason.net/oq/oq-co008.htm

The Boomerang Experiment
Boomerang is a balloon borne millimeter-wave telescope designed to study the anisotropy in the cosmic microwave background.
http://boom.caltech.edu

Caltech Observational Cosmology
The home page of Caltech's Observational Cosmology Group.
http://www.astro.caltech.edu/~lgg/

1st SPOT Cosmology
References to cosmological sites featuring in-depth coverage of issues like dark matter, black holes and symmetric theory.
http://1st-spot.net/topic_cosmology.html

Knowing the Universe and Its Secrets
Learn about the life and energy processes of stars and galaxies. Page has explanations of ancient and modern theories, as well as charts and astronomical photos.
http://nrumiano.free.fr/Eindex.html

Should We Believe in Big Bang?
Pablo G. Ostrov explains Big Bang theory for non-scientists.
http://pgostrov.googlepages.com/e1.html