Last year, the US got more of its electricity from wind and solar power than from coal. It's the first time that's ever happened, and it shows how quickly the US is moving toward cleaner energy sources. Because renewable energy is so cheap, it will probably continue to grow, despite President Donald Trump's push to increase fossil fuel use.
Published in “North America”
The US is facing a serious measles outbreak, with over 300 cases reported across 14 states so far this year. That's more cases in the first three months of 2025 than in all of last year. The rise in measles cases is connected to a drop in vaccination rates.
Scientists at Penn State University used an unusual method to track honey bees. By placing tiny QR codes on the backs of the bees, the researchers can keep track of when the bees leave and return to their hives. The work will help scientists learn more about how bees collect food and how far they travel.
A new study shows that the number of butterflies in the United States has dropped by 22% over 20 years. The loss of butterflies could have serious effects on the environment and on US farms. Scientists say it's important to protect butterflies and other insects before it's too late.
On Sunday, Mark Carney was chosen as the new leader of Canada's Liberal Party. He will replace Justin Trudeau as Canada's prime minister. Mr. Carney has worked in important banking jobs, but has never held a political office. He will face many challenges, including a possible trade war with the US.
Over the last six weeks, US President Donald Trump has threatened - and then paused - tariffs on Canada and Mexico several times. The threats and pauses aren't only confusing Canada and Mexico. They're also confusing and worrying countries and businesses around the world.
A company called Colossal Biosciences has created thick-haired mice that they are calling "Colossal Woolly Mice". The mice, created by editing DNA, are meant to be a step toward the company's larger goal of recreating the extinct woolly mammoth. Not everyone thinks it's a great idea.
On Sunday, a company called Firefly Aerospace became the first private company to make a perfect landing on the moon. Firefly is working with NASA, and its spacecraft, Blue Ghost, is carrying out several experiments for the space agency.
On Friday, US President Donald Trump and Vice President JD Vance met with Ukrainian President Volodymyr Zelensky at the White House. The meeting, which was meant to be a step toward peace in Ukraine, turned into a shouting match. The publicly rude treatment of an ally has shocked people around the world.
Yesterday marked three long, hard years since Russia invaded Ukraine. It has been an incredibly difficult time for the country. Both Ukraine and Russia have suffered greatly. Neither side is in a position to win. But now, under President Donald Trump, US support for Ukraine seems to be fading.
President Donald Trump has shocked many by appearing to back away from the strong support the US and its allies have given Ukraine since it was attacked by Russia in 2022. Instead, Mr. Trump now seems to be interested in working with Russia, and its president, Vladimir Putin.