2014.09.10
Best View Yet of Merging Galaxies in Distant Universe
Using the Atacama Large Millimeter/submillimeter Array (ALMA), and many other telescopes on the ground and in space, an international team of astronomers has o…
ALMA Discoveries
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2014.08.12
ALMA Confirms Comets Forge Organic Molecules in Their Dusty Atmospheres
An international team of scientists using the Atacama Large Millimeter/submillimeter Array (ALMA) has made incredible 3D images of the ghostly atmospheres surr…
2014.08.06
ALMA Pinpoints Pluto to Help Guide NASA's New Horizons Spacecraft
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) are making high-precision measurements of Pluto’s location and orbit around the…
2014.07.31
ALMA Finds Double Star with Weird and Wild Planet-forming Disks
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have found wildly misaligned planet-forming gas disks around the two young stars in t…
2014.07.03
Dynamical Star-Forming Gas Interaction Witnessed by ALMA
Overview Dynamical interaction of star-forming gas was found in a star-forming region by observations with the Atacama Large Millimeter/submillimeter Array (…
2014.06.16
Final ALMA Antenna Arrives on the Chajnantor Plateau
The final antenna for the Atacama Large Millimeter/submillimeter Array (ALMA) project has been taken up to the high-level site at the ALMA Observatory, 5.000 m…
2014.06.12
Gigantic Explosion Buried in Dust: ALMA Probes Environment around Gamma Ray Bursts
Abstract For the first time, a group of Japanese researchers detected radio emission from molecular gas in galaxies hosting gamma ray bursts (GRBs), the brig…
2014.05.07
Outcome of the Proposal Review Process, Cycle 2
The scientific assessment of the 1381 science proposals submitted for ALMA Early Science Cycle 2 has been completed. Seventy-eight science assessors from all o…
2014.03.10
Crashing Comets Explain Surprise Gas Around Young Star—ALMA reveals an enigmatic gas clump in debris disk around Beta Pictoris
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) telescope in northern Chile have today announced the discovery of an unexpected clump…
2014.03.03
All NAOJ ALMA Receivers Shipped Out
On February 18, the NAOJ Advanced Technology Center shipped out the last seven ALMA Band 10 receivers to Chile. This marks the completion of delivery of a tota…
2014.02.13
Commentary on the press release "A Drastic Chemical Change Occurring in Birth of Planetary System: Has the Solar System also Experienced it?"
Written by Masaaki Hiramatsu, the Education and Public Outreach Officer at NAOJ Chile Observatory Stars are formed by the contraction of interstellar gas an…
2014.02.13
A Drastic Chemical Change Occurring in Birth of Planetary System: Has the Solar System also Experienced it?
A star is formed by gravitational contraction of interstellar gas (mostly H2) and dust. Even after the birth of a protostar (a baby star), the gas and dust …
2014.01.17
ALMA Discovers a Formation Site of a Giant Planetary System
Abstract A team of Japanese astronomers has obtained a firm evidence of formation of a giant planetary system around a young star by the observations with th…
2014.01.10
Youngest protoplanetary disk discovered with ALMA
Planets form in disks around their host protostar, but when and how disks form is still an unanswered question. ALMA observations by a team of astronomers led …
2014.01.07
ALMA Spots Supernova Dust Factory
Striking new observations with the Atacama Large Millimeter/submillimeter Array (ALMA) telescope capture, for the first time, the remains of a recent supernova…
2013.12.27
Completion of the ALMA Receiver Development
National Astronomical Observatory of Japan (NAOJ) achieved a major milestone in the construction of ALMA. In December 2013, NAOJ successfully completed the dev…
2013.12.18
ALMA Cycle 2 call for proposals attracts record number of applications
The ALMA Observatory’s Early Science Cycle 2 has attracted 1,382 proposals for observation time submitted by the international scientific community durin…
2013.11.22
ALMA and Hubble Observations Probe a Giant Blob, Himiko, Seen Close to Cosmic Dawn
Combining the capabilities of two powerful telescopes, the Atacama Large Millimeter/submillimeter Array (ALMA) and Hubble Space Telescope, astronomers have e…
2013.11.01
Successful Interferometer Test with Japanese Band 10 Receiver—Birth of Highest Frequency Radio Interferometer
On October 26 (Chilean Time), the Joint ALMA Observatory (JAO) successfully detected interference fringes from Callisto (a satellite of Jupiter) and Orion KL a…
2013.10.24
Unique Chemical Composition Surrounding Supermassive Black Hole—A Step toward Development of New Black Hole Exploration Method
An international research team led by Takuma Izumi, a second-year master’s student of science at the University of Tokyo, and Kotaro Kohno, a professor…
NEW ARTICLES
2025 8.8
The Universe’s Secret Harvest: ALMA Sheds Light on “the Cosmic Grapes”
Super high-resolution ALMA and JWST observations unveil unexpected substructure and underlying gas dynamics in a faint,…
2025 8.5
Discovery of Protoplanetary Disk Caught in Explosion Driven by Stellar Jet
A research team led by Masataka Aizawa of Ibaraki University studied a protoplanetary disk around the young star WSB 52…
2025 6.26
Development of Total Power GPU Spectrometer was approved by ALMA Board
In April 2025, the ALMA Board approved the development of a new spectrometer for the Morita Array (*) designed and deve…
