Mystery and riddles

Our Solar System includes the Sun and the planetary system revolving around it. A “planetary system” is a group of non-stellar objects (planets, dwarf...

Koalas eat a diet primarily of Eucalyptus leaves. To get more energy out of this diet, the Koala ferments part of what it eats...

A solar eclipse is a natural event that takes place on Earth when the Moon moves in its orbit between Earth and the Sun...

When it comes to rainbows, most people think they’ve seen all there is to see. Certainly, we’ve all seen the simple rainbow – and...

No one can help but look at all the stars which adorn our skies and wonder, “what’s out there?” It’s natural to dream about...

Any mission to Mars would be fraught with difficulties – but as this list will show, none of the challenges are necessarily insurmountable. Decades...

We are not alone in the universe. A couple of years ago, such an opinion would have seemed far-fetched; today, most scientists perceive the...

The Monarch butterfly is a species of butterfly with a 3 to 4 inch of wingspan and a trademark color of orange and black....

At the northern end of the Sacred Valley, Ollantaytambo is rare if not unique in Peru. Ollantaytambo is a massive citadel located 50 kilometers...

What’s your vote for what Bigfoot could be? Gigantopithecus or Paranthropus? Think about it, and let me know after you read the following. Taking the...

We learned in the Austin Powers movies of the benefits of having a Mini-Me. While the Moon may have once been a part of...

What remains intriguing about Mercury is how scant our knowledge has been regarding some of its key details until recently. For example, it was...

Perhaps it’s the spinning motion of tornadoes that captures our attention. The fact that they spin is the most basic of tornado facts. Tornadoes...

In 1233, the gaze of the grand master of the Teutonic Order turned to the east, where in the darkness of paganism, peoples vegetated...

The dark side of the moon is a myth. In reality both sides of the Moon see the same amount of sunlight however only...

Mars and Earth have approximately the same landmass. Even though Mars has only 15% of the Earth’s volume and just over 10% of...

A meteor shower occurs when a number of meteors flash seem to radiate (or shoot out from) the same point in the sky. They...

The life of the German geographer and naturalist, honorary member of the St. Petersburg Academy of Sciences Alexander Humboldt (1769-1859), full of extraordinary events...