Here's how to automatically or manually back up your data, and then restore it on your Mac using Apple's Time Machine feature ...

Time Machine and iCloud are two built-in backup systems that are easy to set up and use. For a Time Machine backup, Apple recommends having an external drive with twice the capacity of your Mac.

I've only been backing up Time Machine to my Windows computer for a short while now, but so far it's working great. If you've done the same, let's hear how it's working for you in the comments.

Russian scientists have apparently reversed the flow of time in an experiment they conducted on a quantum computer. The finding is unlikely to lead to a time machine that would work on people. But ...

You can restore your Mac using Time Machine and an external hard drive. Time Machine automatically creates backups of your Mac every hour.

Click on the "Use as Backup Disk" button in the dialog box that appears when the computer recognizes the hard drive. Time Machine now begins making an initial backup copy of your MacBook Pro.

Exclude your Downloads folder to give Time Machine more breathing room. Aperture Files At press time, Apple reported conflicts between its photo-management program and Time Machine.