On April 3, 1973, Martin Cooper made a cell phone call while walking down the sidewalks of New York. These days, that wouldn't be unusual. At the time, it was amazing. It was the first call ever made with a handheld cell phone.
On Tuesday, Ex-US President Donald Trump was charged in New York with the crime of creating false business records. Mr. Trump said he was not guilty of any of the charges. Mr. Trump is the first US president to ever be arrested for a crime.
Artificial Intelligence tools have become extremely powerful, surprising even their creators. Now, some people say there should be a pause in AI work to make sure it doesn't become dangerous. Not everyone agrees.
Liam Garner was just 17 years old when he started out on his big adventure - a 20,000 mile (32,000 kilometer) bike trip from Alaska to Argentina. In early January, he finally finished his trip, 17 months after he started.
Scientists have found that floating solar panels could provide a huge amount of electricity if they were placed on lakes and other bodies of water around the world. Floating solar panels could also help save water and protect land.
Governments worldwide are making special rules to limit the popular social media app TikTok. The governments have safety concerns about TikTok because it's owned by a Chinese company. But many people think banning TikTok may not be the best answer.
Nobody likes to lose money. But if you happen to drop some cash by accident, Tokyo, Japan may be one of the best places to do it. Tokyo police report that last year, people turned in a record-breaking amount of lost money - roughly $29.6 million in cash.
A school science project by a group of students in Canada has led to an important discovery: EpiPens, which help control dangerous allergic reactions, might not work in space.
On Monday, a United Nations climate group released a major new report on climate change. The report explains that the climate crisis has become even more serious, and that massive climate action must be taken before 2030 to avoid the worst effects of the crisis.
On Friday March 3, 18-year-old Jordan Stolz became the youngest person ever to win a world speed skating gold medal. As the weekend went on, he won two other gold medals, defeating Olympic champions in each of those events.
Scientists have used clever methods to discover a hidden corridor (hallway) inside the Great Pyramid of Giza in Egypt. The 30-foot (9-meter) long corridor could lead to new discoveries about the pyramid.