NASA using asteroid’s close flyby to test warning network

CAPE CANAVERAL, Fla. (AP) — NASA is using an asteroid’s close flyby to test Earth’s warning network for incoming space rocks. The small asteroid will pass within about 27,200 miles (43,800 kilometers) of Antarctica early Thursday. Program scientist Michael Kelley says that’s “pretty close” as these things go. But he stresses there’s no chance it […]