Second Annual Science Meeting of the Earth 2.0 (ET) Space Mission

The Second Annual Science Meeting of the Earth 2.0 (ET) Space Mission was successfully held in Kunming, Yunnan Province, from July 27–31, 2026. Organized by the Shanghai Astronomical Observatory (SHAO), Chinese Academy of Sciences (CAS), the meeting brought together more than 200 scientists and students from 26 international insti...

LHAASO Identifies Cygnus X-3 as the Milky Way’s Strongest Cosmic-Ray Accelerator

2026 Spaceborne Earth Observations and Global Change Workshop & Summer School Successfully Held in Shanghai

Jointly organized by the Shanghai Astronomical Observatory (SHAO), Chinese Academy of Sciences, and the Department of Land Surveying and Geo-Informatics of The Hong Kong Polytechnic University, the “2026 Workshop and Summer School on Space Earth Observation and Global Change” was successfully held in Shanghai from July 13 to 17, ...

Researchers at Shanghai Astronomical Observatory Propose a New Theory for Accretion Disk and Jet Formation

Reionization Degeneracy Can Explain the JWST Early Galaxy “Crisis”

Gaia’s ‘Excess Noise’ Helps Constrain the Masses of Hidden Binary Companions

The astrometry team at the Shanghai Astronomical Observatory (SHAO), Chinese Academy of Sciences, has developed a new method to use Gaia DR3 astrometric “excess noise” to constrain the orbital inclinations of binary systems and, in turn, improve mass estimates for unseen companions. The study was published in the international jo...

A Hybrid Method for Refining Gaia’s Parallax Zero Point

Constraining Ultralight Scalar and Dark Photon Dark Matter with Pulsar Timing Arrays

Recently, a team led by Dr. Kuo Liu and Dr. Siyuan Chen from the Shanghai Astronomical Observatory, Chinese Academy of Sciences, together with Prof. Xingjiang Zhu from Beijing Normal University, has made significant progress in testing dark matter using pulsar timing array (PTA) data. The study was published in Physical Review D.

From Seeing a Black Hole to Understanding Its Physics — Dual-Frequency Imaging Unveils the Horizon-Scale Emission Properties of M87

Recently, researchers from the Shanghai Astronomical Observatory of the Chinese Academy of Sciences, together with international collaborators, carried out the first spatially resolved dual-frequency spectral study of the M87 black hole using observations obtained in 2018 with the Event Horizon Telescope (EHT) and the Global Millim...

Understanding the Variability of Local Analogs of Little Red Dots

An international research team led by the Early Universe and High-Redshift Galaxy Group at the Shanghai Astronomical Observatory, Chinese Academy of Sciences, has conducted a systematic variability study of seven low-redshift analogs of the compact red sources known as Little Red Dots (LRDs). From an independent time-domain perspec...

Shanghai Astronomical Observatory Makes Breakthrough in the Galaxy Cluster "Cooling Flow Problem"

Gas Moves Chaotically on Small Scales in Massive Star-Forming Regions

An international research team led by Chinese scholars, in collaboration with scientists from Finland, the United States, Spain, Chile, Germany, South Korea and other countries, has completed a landmark study using data from the ALMA-ATOMS survey. The findings challenge the long-standing canonical paradigm in astronomy that gravity...

​Researchers at Shanghai Astronomical Observatory Led the Discovery of the Most Distant Lyman Continuum Emitting Galaxy Known to Date

Quantitative Study of Surface Composition of Metallic Asteroids Based on Reflectance Spectra

Catching a Stellar Growth Spurt: Discover Brightness Variations in Massive Protoclusters

Researchers from Shanghai Astronomical Observatory have carried out the first statistical search for millimeter continuum variability in massive protoclusters using multi-epoch observations from the Atacama Large Millimeter/submillimeter Array (ALMA). By analyzing 383 condensations in 22 massive star-forming regions, the team ident...