China is secretly building a massive military command center southwest of Beijing. The 1,500-acre construction site is expected to dwarf the Pentagon.

On Jan. 31, it approved the Hromyla, a new Ukrainian-made unmanned aerial complex, for military use. On Feb. 5, the ministry cleared the domestically produced ZEUS and HADES drones for service ...

When they reach the end of their long evolutions, smaller stars—those up to eight times as massive as our own sun—typically become white dwarfs. These ancient stars are incredibly dense.

After graduating with a Bachelor's degree in astrobiology in 2023, he's fascinated by white dwarf stars—the cooling remnants of low-mass stars (e.g., our sun) that have exhausted their nuclear ...