Slavery, America’s original sin, was outlawed by President Lincoln on New Year’s Day in 1863. But the repercussions of this brutality and dehumanization...
Breaking news. Flags are flying at half-staff. The world mourns the death of a beloved monarch. Queen Elizabeth II has passed peacefully in her Balmoral Castle in...
A rogue star is headed straight for our Sun. If these two stars slam into each other, it could spell the end of all life on our planet. How could a rogue star end up in...
Imagine Earth covered in thick sheets of ice. And sea levels so low you could walk to a different continent. This is what our planet would look like during an ice age...
If the Earth had an edge, I hope it would look like this. The edge of a flat Earth. I know, I know, we’ve talked about it before. But there’s something...
The sound of trickling water might seem harmless, even peaceful. But in the polar regions, this sound is a sinister warning of an event that could swallow up the arctic...
Let’s say you’ve got two bottles of water in front of you. One is a plastic bottle, the other a reusable one. You already know that you should probably pick the reusable...
Elon Musk says he wants to send one million people to Mars by the year 2050. The SpaceX CEO has become famous for making huge promises about colonizing the red planet...
Sixty-six million years ago, an asteroid as big as Mount Everest was headed on a deadly collision course with Earth. The impact was so devastating that it wiped out the...
The Earth might not be here forever. A huge solar flare, an asteroid impact, or a local gamma-ray burst – anything could wipe us out for good. If we’re...
Imagine drifting through space in a place so empty that you wouldn’t see a single star, planet, or galaxy in any direction. This is the Boötes Void, one of the largest...
Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets in the Milky Way alone, don’t you...
Attention, humans. Shapeshifting alien lizards have taken control of your world. They’ve maneuvered themselves into positions of power. And they could be anyone. Where...
The Solar System seems calm, but that tranquility is more fragile than it appears. Now imagine one day looking up and noticing something unfamiliar in the sky. A tiny...
Dark, mysterious and consuming everything around them, black holes will rip apart anything that passes their event horizons. But could there be more? What would happen...
[dx_custom_adunit mobile_id=”RTK_v1lP”] 55% of the world’s population live in cities. By 2050, that’ll be two thirds of the world’s...
Have you ever wondered what it would be like to explore one of Jupiter’s moons without ever leaving Earth? Or what would happen to your body under a monstrous...
Let me take you on a wild ride to the very edges of our Universe. But it won’t be as simple as traveling through space. Because the edges that we’re talking...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Most people have never seen these tiny creatures before, but they may be the most vital organisms on Earth. Say hello...
Hundreds of meters underground. Large enough to house tens to hundreds of thousands of people. And walls strong enough to withstand the force of a nuclear blast. These...

