References

REFERENCE A device that removes pollutants is an appealing prospect, but how exactly do air purifiers work?

REFERENCE We pit air purifiers against essential oil diffusers to get a sense of the differences.

REFERENCE Are air purifiers safe to use around our furry friends?

The best binoculars for stargazing need high magnification and large, light-gathering lenses — check out our top picks ahead of Amazon Prime Day.

The best binoculars for kids should be lightweight, compact, and easy to handle — explore top picks before Amazon Prime Day arrives next week.

Find the best binoculars for wildlife, stargazing, tracking athletes, or plane spotting — check out top picks ahead of Amazon Prime Big Deals Day next week.

The best telescopes offer an unparalleled view of the cosmos, and we've gathered our favorites just in time for Amazon Prime Big Deals Day.

BUYING GUIDE The best star projectors bring the wonders of the cosmos into your home — find the best models here so you're ready for Amazon Prime Day.

Prime Day sees some pretty tempting deals and discounts on science gifts, but is it worth waiting for Black Friday to potentially save even more?

How much do you know about evolution? Take this quiz to find out.

Here's all we know about Black Friday 2024 so far — from when it takes place to the best science gifts to look for in the sales.

Reference We look at the potential benefits of air purifiers and how these air-cleaning devices can help manage indoor air quality.

Reference Can air purifiers help reduce the symptoms of mold allergy?

We pit air purifiers against dehumidifiers to get to the bottom of what each appliance really does.

REFERENCE We take a look at air purifiers vs humidifiers to get a sense of the differences.

Blame plate tectonics for Earth’s mountains, earthquakes, volcanoes, and why its continents fit together like pieces of a giant jigsaw puzzle.

Almost everything you know about the famous Fibonacci sequence is wrong.

If you're looking to make the most of the dark winter nights, Black Friday and Cyber Monday are fantastic times to save money on your next telescope ahead of Christmas.

The Nile crocodile is one of the largest predators in Africa.

An almond-shaped structure deep in the brain controls people's feelings of hunger and fullness in an attempt to keep them at a constant body weight. In obesity, its signaling can be disrupted.