Ever since their discovery more than 165 years ago, massive fossilized structures left by an organism known as Prototaxites have proven impossible to categorize. Researchers in the UK have suggested ...
The sheer scale of Carrazco-Gaxiola’s survey, titled “An All-Sky Spectroscopic Reconnaissance of More Than 2,100 K Dwarfs ...
Shenzhou-18 crew members Ye Guangfu, Li Cong, and Li Guangsu conduct experiments and maintenance aboard the Tiangong space ...