Red rain, often called “blood rain,” might sound like something out of a horror movie, but it’s a real and natural phenomenon—albeit with no connection to hemoglobin! Blood rains are ...

Artificial intelligence is a fantastic tool when it serves health, technology, or astrophysics. But in the wrong hands, it can also be used for criminal purposes or misinformation. And the worst ...

Labradors make excellent guide dogs for the visually impaired, while the best police dogs are often German Shepherds. However, defining a dog’s intelligence isn’t straightforward. What does ...

Unlike messaging apps like Skype or Hangouts, WhatsApp doesn’t have an “offline” status to make you appear invisible. However, you can tweak certain settings to better protect your privacy.

We live in a galaxy filled with hundreds of billions of stars. Earth-like planets are believed to number in the billions. So, in such a vast cosmos, why haven’t we (yet) had contact with ...

Research on déjà vu has often focused on individuals with epilepsy, as it is a frequent symptom during seizures. During an epileptic episode, the electrical activity of certain neurons becomes ...

Your router has an outward-facing IP address, known as the public IP address, which identifies it on the internet. This is the address that servers see when you browse websites or perform online ...

the surface of the earth is made up of a dozen large pieces. these are tectonic plates. they fit into each other like pieces of a puzzle and form the outer shell of the earth. these plates move a ...

The United States entered World War II later than many of the other Allied nations. While the conflict began in September 1939, it wasn’t until December 7, 1941, that the U.S. officially joined ...

Clean the disc: cotton, alcohol, and… toothpaste? Start by cleaning the disc with a soft cotton cloth dampened in alcohol or a window-cleaning solution. Be sure to wipe the disc gently from the ...

On that historic day, astronaut Neil Armstrong became the first man to walk on the lunar surface. Just a few years later, as the Apollo program came to an end, the first whispers of what became ...

In October 2017, an observatory in Hawaii detected a strange object speeding through our solar system at a velocity four times greater than most asteroids. Its hyperbolic trajectory confirmed that ...