diff --git a/src/lib/node.d.ts b/src/lib/node.d.ts
index 1abc7632ead..8b96937bb16 100644
--- a/src/lib/node.d.ts
+++ b/src/lib/node.d.ts
@@ -138,12 +138,39 @@ declare var Buffer: {
     compare(buf1: NodeJS.Buffer, buf2: NodeJS.Buffer): number;
 };
 
+declare namespace console {
+    export function assert(value: boolean, message?: string, ...optionalParams: any[]): void;
+    export function dir(obj: any, ...optionalParams: any[]): void;
+    export function error(data?: any, ...optionalParams: any[]): void;
+    export function info(data?: any, ...optionalParams: any[]): void;
+    export function log(data?: any, ...optionalParams: any[]): void;
+    export function time(label: string): void;
+    export function timeEnd(label: string): void;
+    export function trace(message: any, ...optionalParams: any[]): void;
+    export function warn(data?: any, ...optionalParams: any[]): void;
+    export var Console: {
+        new(stdout: NodeJS.WritableStream, stderr? :NodeJS.WritableStream): NodeJS.Console;
+    }
+}
+
 /************************************************
 *                                               *
 *               GLOBAL INTERFACES               *
 *                                               *
 ************************************************/
 declare namespace NodeJS {
+    export interface Console {
+        assert(value: boolean, message?: string, ...optionalParams: any[]): void;
+        dir(obj: any, ...optionalParams: any[]): void;
+        error(data?: any, ...optionalParams: any[]): void;
+        info(data?: any, ...optionalParams: any[]): void;
+        log(data?: any, ...optionalParams: any[]): void;
+        time(label: string): void;
+        timeEnd(label: string): void;
+        trace(message: any, ...optionalParams: any[]): void;
+        warn(data?: any, ...optionalParams: any[]): void;
+    }
+
     export interface ErrnoException extends Error {
         errno?: number;
         code?: string;
@@ -441,6 +468,10 @@ declare module "buffer" {
     export { BuffType as Buffer, SlowBuffType as SlowBuffer };
 }
 
+declare module "console" {
+    export = console;
+}
+
 declare module "querystring" {
     export interface StringifyOptions {
         encodeURIComponent?: Function;