Today, nearly all of the gems being sold as "tanzanite" have a blue color that has been produced or enhanced by heating. A small amount of tanzanite in the marketplace has a blue color that was produced naturally through the heat of metamorphism without any treatment by people. This natural...
The moon appeared to turn red as Earth passed directly between it and the sun in what's known as a total lunar eclipse. Their perfect alignment darkens the moon, from the perspective of folks looking up, because our planet's position blocks most sunlight from reaching it. Some light still...
World Sleep Day wasn’t always a global movement, but the need for better sleep awareness has been around for decades. Launched in 2008 by the World Sleep Society, this annual event was created to spotlight the importance of healthy sleep and the growing prevalence of sleep disorders worldwide...
A composite image of Jupiter taken by Webb's NIRCam, showing the planet's rings and two of its moons, Amalthea and Adrastea. The blue glow around Jupiter's poles is the aurora.(Image credit: NASA, ESA, CSA, Jupiter ERS Team; image processing by Ricardo Hueso (UPV/EHU) and Judy Sch...
Planet Earth is the one place in the universe where sin can exist without throwing the entire universe out of balance, thanks to the fact it has an environment that contains it. Our environment, which sustains us, also contains us and keeps us from doing to the universe what we have alrea...
What color is Alpha Centauri? What type of planet has a solid, rocky crust? What color is Saturn? How do we know that the outer core of Earth is liquid? What color is the star Vega? What color is Polaris star? What color is Betelgeuse? What is the source of the magnetosphere's sol...
With four dead and a mess at Altamont, Rolling Stone tries to get to the bottom of what really happened at the festival.
Planet Earth is the one place in the universe where sin can exist without throwing the entire universe out of balance, thanks to the fact it has an environment that contains it. Our environment, which sustains us, also contains us and keeps us from doing to the universe what we have alrea...
In his quest to force a way through the planet’s original secrets, the geologist, together with his nephew Axel and their devoted guide, Hans, discovers an astonishing subterranean menagerie of prehistoric proportions. (史前 野兽骸骨) Around the World in Eighty Days Unlike many ...
This highly detailed image of Mars captures the iconic surface feature, Syrtis Major, alongside the polar ice caps and the presence of cloud patterns in the west-east orientation of the Red Planet. (Image credit: Peter Richardson) Choosing a larger telescope The Celestron NexStar 8SE has an 8...