The nearby radio galaxy M87, located 55 million light-years from the Earth and harboring a black hole 6.5 billion times more massive than the Sun, exhibits an oscillating jet that swings up and down with an amplitude of about 10 degrees, confirming the black hole's spin.
Researchers from the National Astronomical Observatories assessed the surface structure and chemical composition of Martian dunes to determine the age of sand structures and prevailing wind directions at different locations near the Zhurong rover landing site.
New geochemical evidence obtained from Earth’s oldest-known rocks—found in remote lake regions of northern Canada—provides clues about Earth's early tectonics, according to a study led by Prof. LI Xianhua from the Institute of Geology and Geophysics.
Researchers led by Prof. HAN Jinlin from the National Astronomical Observatories have detected distinct "dwarf pulses" from a bright pulsar PSR B2111+46, and studied the radio emission in unprecedented details and probed the unknown physics in the magnetosphere.
A new type of analysis of a spectacular 120-million-year-old fossil skeleton of the extinct early bird Jeholornis from northeastern China has revealed the oldest evidence for birds eating leaves, marking the earliest known evolution of arboreal plant-eating among birds.