The next-generation engine that will help carry humans deeper into space than ever is back, bigger and better.

Engineers at NASA's Stennis Space Center conducted an initial test of the J-2X engine powerpack Feb. 15, kicking off a series of key tests in development of the rocket engine that will carry humans deeper into space than ever before.

CANOGA PARK, Calif., Feb.

A new series of tests on the engine that will help carry humans to deep space will begin next week at NASA’s Stennis Space Center in southern Mississippi.

BAY ST. LOUIS, Miss., Jan.