http.get returns no data or "301 Moved Permanently"

var http = require('http');
var username = 'chalkers';

function printMessage(username, badgeCount, points) {
  var message = username + " has " + badgeCount + " total badge(s) and " + points + " points in JavaScript.";
  console.log(message);
}

//connect to the API URL (https://teamtreehouse.com/username.json)
var request = http.get('http://teamtreehouse.com/'+username+'.json', function(response){
  var body = "";
  response.on('data', function(chunk) {
    body += chunk;
    console.log(chunk);
  });

  response.on('end', function() {
    console.log(body);
   });
});
//Read the data
//Parse the data
//Print the data

request.on('error', function(e){
  console.error(e.message);
});