Science February 26, 2019

Two-Gun Baby Star Solves Stellar Mystery

Astronomers have discovered two streams of gas shooting out from a baby star that originated at different times and areas.

Science February 5, 2019

Retreating Snow Line Reveals Organic Molecules around Young Star

Astronomers using ALMA have detected various complex organic molecules around the young star V883 Ori.

Science January 29, 2019

Missing-Link in Planet Evolution Found

For the first time ever, astronomers have detected a 1.3 km radius body at the edge of the Solar System. Kilometer sized bodies like the one discovered have been predicted to exist for more than 70 years.

Science January 1, 2019

Early Protostar Already has a Warped Disk

Using observations from the ALMA radio observatory in Chile, researchers have observed, for the first time, a warped disk around an infant protostar that formed just several tens of thousands of years ago.

Science December 18, 2018

Mystery of coronae around supermassive black holes deepens

Researchers have used observations from the ALMA radio observatory located in northern Chile and managed by an international consortium including the NAOJ to measure, for the first time, the strength of magnetic fields near two supermassive black holes at the centers of an important type of active galaxies.

Science December 3, 2018

Combination of Space-based and Ground-based Telescopes Reveals more than 100 Exoplanets

An international team of astronomers using a combination of ground and space based telescopes have reported more than 100 extrasolar planets in only three months.

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Science November 30, 2018

Black Hole ‘Donuts’ are Actually ‘Fountains’

Based on computer simulations and new observations from ALMA, researchers have found that the rings of gas surrounding active supermassive black holes are not simple donut shapes.

Science November 22, 2018

ALMA’s Highest Frequency Receiver produces its First Scientific Result on Massive Star Formation

The Atacama Large Millimeter/submillimeter Array (ALMA) has tuned in another new channel for signals from space.

Science October 12, 2018

Little Supernova is Big Discovery: the Origin of Binary Neutron Stars

An international research team discovered the first recorded “ultra-stripped supernova,” a rare, faint type of supernova that is believed to play a role in the formation of binary neutron star systems.

Science October 1, 2018

Cosmological Constraints from the First-Year of the Subaru Hyper Suprime-Cam Survey

Using the powerful Japanese Subaru Telescope, the Hyper Suprime-Cam (HSC) survey collaboration team has made and analyzed the deepest wide-field map of the three-dimensional distribution of matter in the Universe.