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April 15, 2026

Subaru Telescope Captures Comet 3I/ATLAS Composition Change

Interstellar comet 3I/ATLAS (C/2025 N1) captured by the Subaru Telescope on December 13, 2025 (Hawaii-Aleutian Standard Time).

Science
April 8, 2026

How Jupiter Cultivated More Large Moons than Saturn — A magnetospheric cavity explains the difference

Artist’s impression of the simulations conducted in this research.

Science
March 13, 2026

We are Not Alone: Our Sun Escaped From Galactic Center Together with Stellar “Twins”

Science
January 22, 2026

Theory-Breaking Extremely Fast-Growing Black Hole

Artist’s impression of a supermassive black hole system.

Science
January 8, 2026

Cotton Candy Worlds Evolve into Rock Candy Worlds

Artist’s conception of the four planets around a young star observed in this research.

Science
December 4, 2025

First Discoveries from New Subaru Telescope Program

Time-lapse movie of the Subaru Telescope images which led to the discovery of HIP 54515 b (indicated by the arrow).

Science
October 28, 2025

Young Star Cooks Surroundings with Different Temperatures

An artist’s impression of a mass ejection event from EK Draconis

Science
September 25, 2025

Motion of Planet-Forming Spirals Captured on Video

ALMA observations of the spiral patterns in the disk around the young star IM Lup

Science
August 5, 2025

Baby Star Sets off Explosion, Gets Caught in Blast

Artist’s impression of a protoplanetary disk distorted by a shock front created by an expanding bubble.

Science
July 15, 2025

Subaru Telescope Discovers “Fossil” in Outer Solar System

Science
July 1, 2025

Earth Weather Satellites Track Venusian Weather

Image of the Earth taken by Himawari 8 at 18:00 (UTC) on August 11, 2018

Science
June 24, 2025

New Insights into Planet Formation from Public Data with New Imaging Technique

New high-resolution images of protoplanetary disks in the Ophiuchus star-forming region, created with improved analysis.

Science
June 3, 2025

Cosmic Himalayas Quasar Cluster Defies Explanation

Cosmic Himalayas Quasar Cluster

Science
May 22, 2025

ALMA Measures Evolution of Monster Barred Spiral Galaxy

Left: The galaxy J0107a observed in infrared light with the James Webb Space Telescope. Right: The gas distribution in J0107a observed with ALMA.

Science
February 6, 2025

Dusting for Stars’ Magnetic Fingerprints

ALMA observations of the protoplanetary disk around HD 142527.

Science
January 15, 2025

Super-Earth vs. Sub-Neptune? The Winner is Super-Venus!

Artist’s impression of GJ 1214 b passing in front of its host star.

Science
December 13, 2024

Planets Form Through Domino Effect

Compared to the previous observations (left), the new ALMA observations (right) at longer wavelengths can better see into the dust ring and reveal a concentration of dust to the north-west (upper right) where a new planet is forming.

Science
October 25, 2024

Re-analysis of Data from Milky Way Central Supermassive Black Hole Observations

Image: Radio image of Sagittarius A* in the center of the Milky Way Galaxy, obtained from this re-analysis.

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