Space
Why We Might Be Alone
We may haven't met aliens because they were all destroyed by self-replicating robotic probes. These invisible machines could be roaming the galaxy to ensure no
The Largest Star In The Known Universe
Stephenson 2-18 is so gargantuan that if it replaced our Sun, its outer edge would swallow the orbit of Saturn. It is currently considered one of the largest st
The Hottest Known Planet In Space
KELT-9b is an ultra-hot gas giant where temperatures soar to 7,800 degrees Fahrenheit. It is so sweltering that its own atmosphere is literally evaporating into
The Mystery of the Oh-My-God Particle
In 1991, scientists detected a single subatomic particle traveling with the kinetic energy of a baseball thrown by a professional pitcher. It is the most energe
The Coldest Place in the Universe
The Boomerang Nebula is colder than the void of deep space itself. It remains the only known object with a temperature lower than the cosmic microwave backgroun
Humanity May Be Alone Due to Silence
The Great Filter theory suggests a mysterious barrier prevents life from becoming interstellar. If we discover complex alien fossils, it would be terrible news
The Silence of the Universe
With billions of Earth-like planets, the universe should be teeming with alien life. Yet, we have found zero evidence of other civilizations, leaving us with a
Creating A Black Hole From Light
You can theoretically create a black hole without any physical matter. By focusing enough intense light or radiation into a single point, you could warp space-t
The Entire Universe Could Suddenly Collapse
Our universe might be sitting in a fragile state called a false vacuum. If it decays into a lower energy state, a bubble of new physics would expand at the spee
Steering an Entire Solar System
Stellar engines are massive hypothetical structures built to harness a star's power to physically move an entire solar system through the galaxy. By redirecting
The Mysterious Wow! Radio Signal
In 1977, a telescope captured a powerful, intense radio signal from deep space that lasted 72 seconds. It carried all the characteristics of an artificial origi
The Superhero Who Is Four Characters
Cosmic Ghost Rider is an impossible mashup of four legendary Marvel figures. He combines the soul of the Punisher, the fire of Ghost Rider, the power of Silver
From Deep Purple to Medieval Folk
After leaving the legendary rock band Deep Purple, guitarist Ritchie Blackmore surprised the music world by trading his electric guitar for a lute. His debut fo
Your Planet Lives Inside A Bubble
Earth orbits inside a giant, invisible bubble blown by our Sun. This structure, known as the heliosphere, acts as a protective shield against the harsh radiatio
The Viral Legacy of Retail Voyeurism
Before social media was dominated by influencers, a website called People of Walmart turned strangers into unintentional celebrities. It crowdsourced candid pho
Astronauts See Flashes Inside Closed Eyes
Astronauts traveling in deep space report seeing mysterious flashes of light even when their eyes are closed. These light shows are caused by cosmic rays striki
The Spinning Ghost of a Supernova
Deep inside the Crab Nebula lies a pulsar that spins thirty times every second. This collapsed star is the leftover heart of a massive explosion that ancient as
The Rapper Who Founded A Digital Religion
A former rapper turned inmate launched a viral spirituality movement called the University of Cosmic Intelligence. The group operates entirely online, building
The Galaxy That Pulls Our Comets
Our solar system is constantly being tugged by the invisible gravity of the Milky Way. This galactic tide is strong enough to pull distant icy objects out of th
Animals That Recognize Their Own Reflection
Few animals can pass the mirror test, a challenge where they must recognize their own reflection. When marked with a hidden spot, they try to remove it, proving
The Massive Mysteries Hidden In Space
Most of the universe remains a total mystery to modern science. We still cannot identify what makes up ninety-five percent of everything in existence, leaving o
The Speed Of Light Is Not Instant
Until 1676, people believed light traveled across the universe instantly. Astronomer Ole Rømer shattered this idea by observing that eclipses of Jupiter’s moons
Earth Is Being Tracked By Giant Brass Orbs
These two satellites are essentially massive, hollow brass balls covered in mirrors. They have no power or instruments, yet they act as precise reference points
A Message for Humanity in 50,000 Years
The KEO time capsule was designed to carry messages from today’s citizens to our descendants 50,000 years into the future. It was meant to contain unfiltered th