Ambrose Chase was brought into the *Planetary* organization very young. His father had been a subject in the Science City Zero project - a secret American concentration camp run by Randall Dowling. The city used "undesirables" from American society - Socialists, anti-war activists, homosexuals and the like - and subjected them to extreme experiments in order to discover the causes of, and limits of, metahuman abilities.

Ambrose was born with the ability to manipulate the laws of physics themselves. He can change the direction of gravity, selectively alter angular momentum, even slow down time itself. Under the tutelage of Elijah Snow and Planetary, Ambrose was able to use his powers very precisely and efficiently.

When Snow was forced to leave Planetary, Ambrose worked with Jakita Wagner and The Drummer to run the field team in its fight against The Four. It was during one of these missions that Ambrose was killed. Upon his death, however, his body disappeared, leading Elijah Snow to believe that Ambrose isn't truly dead and may yet be recovered.

Ambrose is survived by a wife and daughter, whose needs are taken care of by Planetary. Chase's daughter does not yet show signs of any metahuman abilities, but there is no doubt she is being watched for them.