Science April 14, 2005

Discovery of the Most Metal-deficient Star Ever Found: Studying Nucleosynthesis Signatures of the First Stars

An international team of astronomers reports the discovery of a star, HE1327-2326, which sets a new record for being the most heavy element...

Science March 3, 2005

A Glimpse at the Hidden Process of Star Formation

Scientists at the NASA Goddard Space Flight Center and the University of Tokyo peered through the thick gas and dust of a stellar birthplac...

Science February 25, 2005

Young Star's Companion Has Only Forty Times the Mass of Jupiter

Astronomers have weighed DH Tauri's companion and have found that it is a brown dwarf with only 40 times the mass of Jupiter. DH Tauri is a...

Science February 17, 2005

Galaxy Clusters Formed Early

Only one billion years after the Big Bang, clusters of galaxies were already forming. This discovery pushes back the age of the youngest kn...

Science January 4, 2005

Quaoar Reveals a Surprisingly Young Face

David Jewitt (University of Hawaii) and Jane Luu (MIT Lincoln Lab) have obtained the first high quality spectrum of Quaoar using the Subaru ...

Science December 24, 2004

Jupiter's Moon Had A Far-Flung Past

The first ground based infrared spectrum of Jupiter's moon Amalthea reveals that it must have formed far from its current location. This new...

Science December 17, 2004

The Soot Enshrouded End of a Sun-like Star

The Coronagraphic Imager with Adaptive Optics (CIAO) on the Subaru telescope captured this near-infrared (wavelengths of 1.25 - 2.2 microns)...

Science October 19, 2004

Belts of Planetesimals Discovered around Beta Pictoris

A team of researchers from Ibaraki University, ISAS, University of Tokyo, and National Astronomical Observatory of Japan has succeeded in r...

Science August 5, 2004

Dwarf Irregular Galaxies: Not So Pristine After All

Astronomers have shown for the first time that even the smallest galaxies in the Universe have complex structures that indicate a complex hi...

Science June 1, 2004

Welcome to a Menagerie of a Million Galaxies

Subaru/XMM-Newton Deep Survey Team Releases Data to the Public At a press conference held on 3 PM (JST), June 1, 2004, in Tokyo Japan, the...