Methylene blue is a synthetic compound with a deep blue color that has been used for over a century in various medical, ...

Auroras have long mystified humanity. Now that we know what they are and why they happen, we can better predict how best to ...

Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...

For over a century, Antarctica’s Blood Falls has remained one of the most baffling phenomena on Earth, captivating scientists ...

Rubies and emeralds have the colors they do because, like many substances, they absorb some colors of light. Most visible light, like sunlight, is composed of all the colors of the rainbow: red, ...

If Earth had no atmosphere—like the Moon—there would be no scattering, and the sky would remain black, even in daylight ...

Auroras emit swirling hues in the sky, mesmerizing spectators with their bands of color. Different hues come from different ...

Cutting into a perfectly cooked piece of chicken, you might spot a pinkish or reddish hue near the bone and instinctively ...

A dog owner has shared a 'small' sign that could save your pet's life after she noticed her pooch was acting 'grumpier' than ...

When the Sun is near the horizon, its light passes through a lot more of the atmosphere to reach the Earth's surface than ...

What Does It Mean to Be Trans? Transgender is a general term that describes people whose gender identity, or their internal sense of being male, female, or something else, does not match the sex ...

Gordon Ramsay has shared his best cooking tips, including one to prevent potatoes and avocados from turning brown ...