References

A light-year is a measure of the distance it takes light to travel through interstellar space over the course of a year.

Looking for the perfect gift this Father’s Day? Our Father’s Day Science gift guide has 24 of our favorite items for your science-loving dad.

Reference A look at the phases of the moon, from new moon to full moon, including's tonight's lunar phase.

Juneteenth is a federally-recognized American holiday observed on June 19. It is also known as Emancipation Day and Black Independence Day. In 2023, it falls on a Monday.

Ancient Egypt in North Africa was one of the most powerful and influential civilizations in the region for over 3,000 years.

Confused by sunscreen terminology? Here is everything you need to know to understand sunscreen labels.

BUYING GUIDE Step up your nutrition with the best protein powder 2023: tried and tested by the Live Science team

The best protein powder for women is designed to support female health and fitness and help you achieve your goals. Here’s our tried and tested round-up.

BUYING GUIDE We've tested the best meal replacement shakes to see how they weigh up for taste, nutrition and ingredients.

Déjà vu, the feeling of having experienced something before, is very common, but why does it happen?

Buying Guide Invest in one of the best exercise bikes we've tested and give yourself a head start on your cardio training for the summer.

Buying Guide Level up your training with the best workout equipment for home — build your home gym with products tried and tested by Live Science.

BUYING GUIDE Boost your energy and get the most out of your workout with the best protein bars.

Buying Guide Take control of your oral health with the best electric toothbrushes, tried and tested by Live Science.

BUYING GUIDE Breathe easy with the best air purifiers for allergies, tested by Live Science.

Experts agree that all else being equal, it is better to vape than to smoke traditional cigarettes, but e-cigarettes come with their own risks.

Manhattanhenge, a phenomenon when the setting sun is perfectly aligned with Manhattan's grid-patterned streets, occurs twice a year with a full sunset, and twice a year with a half sunset.

Buying Guide From sleep tracking to stress management, these are the best fitness trackers we’ve tested to support your health goals.

The best dehumidifiers can help to prevent mold, bad odors and condensation in your home. Tried and tested by Live Science.

Buying Guide Invest in one of the best humidifiers and avoid a dry and uncomfortable home this allergy season.