Titan's shadow will fall on Saturn in the early hours of Sept. 20, one day before the world shines at opposition in Earth's ...

Here's what happens as the direct rays of the sun slip south of the equator as the seasons change.

To run it, search for Disk Cleanup in the Start menu, select the drive with update files (this is usually the C drive), and click the "OK" button. Tick the necessary options, such as "Windows Update ...

Twice a month, on clear nights, the University of New Hampshire Observatory in Durham opens up to the public for a viewing ...

Interstellar objects like 3I/ATLAS that have been captured in planet-forming disks around young stars could become the seeds ...

How low can Windows 11 go? Storage-wise, it can take up less than 3 GB, as demonstrated by some impressive engineering from the same individual behind the Nano11 "diet" build. The Nano11 installation ...

The leaner your Windows system is, the faster your PC is. We show you how to free up memory with simple commands and tools.

PC backup is the simplest means of shielding your data against accidents, malware and equipment failure. In the event a computer crashes, vital documents, photo ...

Digital hoarders, unite! I have a game on my PC that I haven’t played in months, and it’s taking up more than 100 GB of disk space. There, I said it. This is a scenario most of us find ourselves in at ...

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

Learn simple ways to clear out your phone, photos and inbox to boost device performance and reclaim storage space.

Booting from a USB stick is very helpful for many purposes. However, many factors have to be right for the boot to work ...