These three rare pennies from over 20 years ago are now worth a fortune—find out which coins skyrocketed in value and why collectors want them.

Only 150,000 of these error coins were released in Philadelphia, with some selling for up to $2,185 at auction.

Once known as the “Hobby of the Kings,” coin collecting is a global pastime open to anyone with an appetite for accumulation.

Stumbling upon what might be a rare coin or unusual bill is more common than you think. People discover these hidden ...

There's something to be said for collecting old coins. Some people do it for the fun of it or to have a cool story to tell. Others do it in hopes of making a profit. Unfortunately, not ...

Need help identifying this coin and checking its value? Stop guessing—CoinKnow coin value app provides instant price analysis and accurate market valuations for your coins.

Today's coin identifier app technology uses advanced AI to instantly recognize coins, estimate values, and even detect rare errors that could be worth thousands of dollars.

Have you ever discovered an old coin tucked away in a drawer or inherited a collection from a family member, only to wonder what treasures you might be holding? In the past, identifying and valuing ...

For many professors, grading student work is the least enjoyable part of their jobs. “None of us get into teaching to grade,” says Renée Link, a professor of teaching in the Chemistry Department at ...

Process chemistry involves the development and optimization of production processes for chemical compounds, and the scaling up of laboratory reactions, particularly in the pharmaceutical sector. The ...

Trump says he doesn't know if he backs constitutional due process rights in new interview President Donald Trump is circumspect about his duties to uphold due process rights laid out in the ...

Carrie Pallardy has more than nine years of experience writing about a range of topics, including healthcare and cybersecurity. Her expertise includes personal finance, insurance, real estate, and ...