While the U.S.-based Dark Energy Spectroscopic Instrument (DESI) deploys 5,000 fibers, JUST's higher fiber density will achieve unprecedented sampling rate in galaxy clusters, where current surveys ...

CANBERRA, May 29 (Xinhua) -- The global scientific community was watching with keen interest as China launched its Tianwen-2 probe on Thursday, a landmark dual-target mission aimed at unlocking the ...