Tsukuba, Japan—The Chinese hwamei, an invasive alien bird species, is native to eastern Eurasia, ranging from southern China to Southeast Asia. In Japan, the species had been brought to Japan as a pet ...

CAPE CANAVERAL, Fla. (AP) — Twin spacecraft have captured the clearest sounds yet from Earth's radiation belts — and they mimic the chirping of birds. NASA's Van Allen Probes have been exploring the ...