Reentry occurred Wednesday (March 11) at 6:37 a.m. EDT, NASA officials said.

An old NASA science satellite plunged uncontrolled from orbit and reentered over the Pacific on Wednesday.

Most of the spacecraft will burn up during reentry, but a fraction of the material making up the 1,323-pound (600-kilogram) satellite will likely reach Earth’s surface without vaporizing in the atmosp...