It’s great having a vacuum cleaner that’s a powerhouse at cleaning, but that isn’t worth much if it quits working after a few years of ownership. That’s why we survey our members every ...

You can also browse our full canister vacuum ratings and consult our vacuum cleaner buying guide to learn more. Bagged vacuums generally have a larger capacity than bagless vacuums, which also ...

But now, incredibly, new research suggests that the cleaner wrasse—a tiny, tropical reef fish—can recognize itself too, making it the first fish to do so. Scientists have long used a mirror ...