Evidence of How a Dwarf Galaxy Contributes to Growth of the Milky Way
Small stellar systems like dwarf galaxies are suggested to be the main building blocks of our Galaxy. However, it is unclear how many and what…
Chinese Academy of Sciences
Astronomers Reveal a Warped and Twisted Milky Way
Our Milky Way galaxy’s disk of stars is anything but stable and flat. Instead, it becomes increasingly ‘warped’ and twisted far away from the Milky…
Mass Extinction Happened in a Geological ‘Instant’
It took less than 30,000 years and maybe only thousands, to kill more than 90% of sea creatures and most land species, according to the…
Fossils Reveal New Insight on Mesozoic Pollinating Insects
Insect pollination played an important role in the evolution of angiosperms. Little is known, however, about ancient pollination insects and their niche diversity during the…
Researchers Discover Two New Chinese Dinosaurs: Bannykus and Xiyunykus
Digit reduction occurs many times in tetrapod evolution, and the most famous example is the ‘horse series’ of North America. An international research team announced…
When Did Animals Leave Their First Footprint on Earth?
On July 20, 1969, Neil Armstrong put the first footprint on the moon. But when did animals leave the first footprint on Earth? Recently, an…
Unexpected Burst of Newborn Stars Puzzles Astronomers
Since the limited amount of gas survived from the first bulk star forming process will be quickly expelled within several million years, star clusters have…
Commensal Radio Astronomy FAST Survey Discovers a Millisecond Pulsar
China’s Five-hundred-meter Aperture Spherical radio Telescope(FAST), still under commissioning, discovered a radio millisecond pulsar (MSP) coincident with the unassociated gamma-ray source 3FGL J0318.1+0252 in the…
Exceptionally Preserved Embryos Detail the Life History of a Pterosaur
The pterosaur record is generally poor, and pterosaur eggs are even rarer. Only a handful of isolated occurrences of eggs and embryos have been reported…