Science March 14, 2019

ALMA Observes the Formation Sites of Solar-System-like Planets

Researchers have spotted the formation sites of planets around a young star resembling our Sun. Two rings of dust around the star, at distances comparable to the asteroid belt and the orbit of Neptune in our Solar System, suggest that we are witnessing the formation of a planetary system similar to our own.

Science March 14, 2019

Astronomers Discover 83 Supermassive Black Holes in the Early Universe

A team of astronomers has discovered 83 quasars powered by supermassive black holes (SMBHs) in the early Universe. This increases the number of black holes known at that epoch considerably, and reveals, for the first time, how common SMBHs were early in the Universe’s history.

Science March 12, 2019

Cross-Disciplinary Collaboration Enables Investigation of the Origin of Heavy Elements

A team of experts in nuclear fusion and astronomy has computed high-accuracy atomic data for analyzing light from a kilonova, a birth place of heavy elements.

Science February 28, 2019

Hiding Black Hole Found

Astronomers have detected a stealthy black hole from its effects on an interstellar gas cloud.

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.

Topics January 15, 2019

Connecting the Dots: FOXSI-3 Data Points add up to Unprecedented Image of Solar Corona

Scientists have begun analyzing data about the solar corona captured by the FOXSI-3 sounding rocket experiment.

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Topics January 8, 2019

Construction of TMT and Beyond: A new-year’s message from the Director General, NAOJ

A new-year’s message from the Director General of NAOJ, Dr. Saku Tsuneta

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.