Fig.1. The Left two columns show the color images of some strongly-nucleated dwarf galaxies and UCDs with stellar envelopes found in this study. The right panel shows their distribution in the Virgo core region. They are mostly concentrated in the central giant elliptical galaxy...

Photo taken on Aug. 29, 2019 shows an aerial view of a photovoltaic power station in Ruicheng County, north China's Shanxi Province. (Xinhua/Zhan Yan)Peking University, November 9, 2023: Energy transition in rural residential areas is critical in China’s efforts to achieve carbon...

Peking University, November 9, 2023: An international team of astronomers using the Canada-France-HawaiiTelescope (CFHT), Gemini North telescope (Gemini North), Hubble Space Telescope (HST), and Case Western Reserve University's Burrell Schmidt Telescope has captured the eroding...

Photo: CMG Peking University, September 20, 2023: Four years ago, in a twist of fate, an all-white "bear-like" creature spotted in a nature reserve in China's Sichuan Province was identified by zoologists as the world's only albino giant panda. (Editor's note: The giant panda is...

Peking University, September 18, 2023: Methane (CH4) stands as the second most important greenhouse gas caused by human activities after CO2 and is responsible for 0.6°C global warming since preindustrial times.To better quantify national emissions of methane around the globe, a...