Space archaeology maps the life story of spiral galaxy NGC 1365
Using space archaeology, researchers pieced together NGC 1365’s 12-billion-year evolution, combining oxygen maps with simulations to chart its growth and mergers.
DIY dark matter antenna reveals Milky Way rotation
A homemade horn antenna tuned to 1,420 MHz can track hydrogen clouds and map the Milky Way’s rotation, offering backyard evidence consistent with dark matter.