With Earth’s geopolitical tensions on the rise, the possibility of a global conflict is becoming more than just a distant threat. But in the modern era, a future world...
Ahh, spring has sprung. Robins are chirping. Flowers are blooming. Yikes, it’s getting a little windy out. Wait a minute. Do you hear that? Is it just me or does it look...
Under the pressure of crushing economic sanctions, Russia’s straining to play its own intimidation game. This time, they are threatening to take the International...
Some say life is a roller coaster. What if it was more like this? We don't notice the earth spinning now, so what would life be like if it spun a little faster? Would we...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Stars with a much larger mass than our Sun burn out after just a few million years; in a gigantic explosion known as...
For decades, science fiction has shown humanity’s first contact with aliens as a dangerous moment. Movies often portray extraterrestrial visitors as invaders...
When people imagine humanity’s future beyond Earth, Mars is usually the first destination that comes to mind. It is close, familiar in some ways, and has been studied...
They’re not the biggest falls on Earth, not by a long shot. But they’re certainly among the most famous. Niagara Falls attracts millions of visitors from...
It’s a small world after all, because today, we’re shrinking Earth to the size of Pluto. But if our planet was this tiny, how would it alter the atmosphere...
The two biggest planets in our Solar System in one telescope view. And catastrophe is imminent. If Jupiter and Saturn suddenly were on a collision course, which of the...
Since the 1960s, scientists working with SETI (Search for Extraterrestrial Intelligence) have been monitoring the universe for artificial radio signals. The idea is...
We Drain a Giant Coral Atoll for More Living Space, and the Consequences Spread Worldwide
Let’s face it. There are A LOT of us, and it’s getting more than a little crowded. Right now, there are over 7.7 billion people on Earth, and the United Nations predicts...
Just north of the Martian equator lies a 45 km (28 mi) wide impact crater that scientists believe may have been the site of an ancient lake. Here at Jezero Crater...
Lava reaches 1,200 degrees Celsius. Liquid nitrogen sits at minus 210. Put those two numbers side by side and the experiment writes itself. What happens if you dump one...
Rise. and. shine! Get up and seize the day! You can do anything under the sun…when the sun powers everything. Your phone, your home, and all that’s in...
Welcome to one of the most restricted countries in the world. North Korea is often described by analysts and defectors as a tightly controlled state where everyday life...
A giant asteroid is headed our way. But no, it won’t hit the Earth. This asteroid is about to slam into the Moon and crack it right in half. What would it be like...
If Earth Were the Center of the Solar System, the Sun Would Die and We’d Freeze Solid
Put Earth at the center of the Solar System and something has to give. Gravity does not negotiate, so if everything is going to orbit us, the masses have to be...
At the circus in Madrid, Spain, things seemed to be proceeding as scheduled for 35-year-old animal trainer Denny Gottani. Since he had years of experience in working...
At first glance, a sloth hardly looks like an animal you should be afraid of. It moves slowly, spends most of its life hanging from tree branches, and often appears to...

