Neither the Judicial nor Legislative Branch (Congress) has term limits. The difference is, Senators and Congressmen may be voted out of office, but members of the Judicial Branch can only be involuntarily removed from the bench if they are impeached by the House of Representatives and convicted by the Senate.
There are no term limits for judges and justices in the federal Judicial Branch. According to Article III, Section I, of the Constitution, they hold their offices "during good behavior," meaning for life, as long as they don't commit an impeachable offense. Qualifying infractions are defined in Article II, Section 4, as "treason, bribery, or other high crimes and misdemeanors." The Judicial Branch consists only of the following courts: US District Courts US Court of…
Judicial review refers to the responsibility of the judicial branch to determine if a law is constitutional as it is written. This important, yet limited function has served as the philosophical and technical basis for unlawful judicial activism, which attempts to, in effect, re-write the laws rather than simply declare them constitutional or unconstitutional..
McCulloch v. Maryland effectively destroyed the concept of "State's rights". It also paved the way for the national or federal banking system. It made a huge directional sweep away from limited national government. Previous conservative judicial restraint gave way to the more radical judicial activism.
In the United States judges are appointed for life. so by appointing a person that that is likely to think along your own lines you are appointing some one that will influence law and legal decisions for many years to come. In Australia Judges apointment can not be tampered with by politicians, at least not oppenly, as it is considered that this would interfere with the independence of the judicial system.