The February birthstone is the purple amethyst

Are you a February baby? Here's some cool info about your February birthstone, the amethyst. Read the lore of this purple stone, a variety of quartz.

Oldest known rock art in the world found in Indonesian cave

Scientists discovered the oldest known rock art in a cave on an island off Sulawesi, Indonesia, dated to 67,800 years old.

How to photograph snowflakes from Michael Peres

An expert photographer of nature’s beauty on a minuscule scale, Michael Peres offers you tips on how to photograph snowflakes.

Challenger disaster: 40 years ago today

January 28, 1986. On today's date 40 years ago, the Space Shuttle Challenger (mission STS-51-L) exploded and broke apart 73 seconds into its flight.

Quantum computers and exoplanets: New view of distant worlds

Quantum computers and exoplanets: Distant planets around other stars are difficult to image. But quantum computers could help astronomers see them better.

Deepfakes are flooding the web, and anyone can make them

Deepfakes are AI-generated images and videos that can fool viewers into believing they're real. They're exploding on the internet, and anyone can create them.

Crew-11 astronauts returned to Earth this morning

The 4 Crew-11 astronauts returned to Earth earlier this morning, January 15. The astronaut who needed evacuation, NASA says, is "doing fine".

SETI@home takes a closer look at 100 notable signals

The SETI@home project is taking a 2nd look at 100 notable signals. Researchers are using China's FAST radio telescope to prepare for future surveys.

January birthstone: The colorful garnet

Garnets, the beautiful January birthstone, are often thought to be red gemstones. But they also come in yellow, green, orange, brown and black.

Learn how to shoot photos of meteors

Want to shoot photos of meteors with your camera? The first step is planning. The next step is to gather your equipment. Then on to the capture process.

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