Hydrogen Gas Falling onto a Dark Matter Clump?

Chandra Deep Field South

Chandra Deep Field South (Detail)

Chandra Deep Field South (Detail)

Close-up images of Some of the Most Distant Galaxies Known

Colour-Composite of the Sky Field with Several High-Redshift Galaxies

First image from the XMM-LSS Wide-Field X-Ray Survey

Large-scale structures

Image of the Extremely Distant Galaxy z6VDF J022803-041618

Newly Discovered Gravitational Lens System RXS J1131-1231

The Evolving Colour of the Universe

The Distant Gamma-Ray Burst GRB 050904

The Distant Gamma-Ray Burst GRB 050904

First Visible Light From GRB 050709

Variability of GRB 050709

Gamma-Ray Burst GRB 050724

GRB 060614

GRB 060505

GRB 060505

Image of Afterglow of GRB 030329

Constraining the Cosmological Parameters

Relative Changes with Redshift of the Fine Structure Constant

GRB 050904 at Two Epochs

GRB 050904 Observed in Various Bands

Spectral Energy Distribution of GRB 050904

New Population of Distant Galaxies

Average Spectra of Distant Galaxies

First Visible Light From A Short Burst

Variability of GRB 050709

Gamma-Ray Burst GRB 050724 (FORS1/VLT)

Distribution of Galaxies

How Do Galaxies Grow?

How Do Galaxies Grow?

How Do Galaxies Grow?

A Pool of Distant Galaxies

A Strange Supernova with a Gamma-Ray Burst

A Strange Supernova with a Gamma-Ray Burst

First Images from VLT Science Verification Programme

First Images from VLT Science Verification Programme

MOS Observations of Distant Galaxies

Very Deep Near IR View of "AXAF Deep Field"

Optical Counterpart of GRB 000131

Cosmic Shear in Sky Field with Galaxy Cluster

Distant Galaxies in "AXAF Deep Field"

Sky Field Around GRB 000131

Dark matter in CL 0053-37

A Gravitational Einstein Ring

Supernova at Redshift z = 0.40

Supernova at Redshift z = 0.51

Afterglow of GRB 990510