2023 was extremely hot. Then came 2024 It's looking like 2024 will be the hottest year since record-keeping began, unseating 2023 for the top spot. Climate change is playing a role, and scientists say it was even hotter than expected. Lauren Sommer
Football stadium-sized balloons launch in Antarctica for science experiments Scientists with NASA are launching enormous balloons, the size of a football stadium, from the Antarctic ice. They're carrying experiments on dark matter and other mysteries. Ailsa Chang
'We are not California': New Jersey dealers push back on electric truck rules Vehicle dealers are pushing back on rules that would increase the number of electric trucks sold in New Jersey. It could be a preview of a brewing fight over state rules about cars. Camila Domonoske
Watch: Satellite video shows world's biggest iceberg, A23a, break free About the size of Rhode Island, the iceberg known as A23a got stuck in an ocean vortex this summer, spinning in place for months. Now, it's free, and heading back into open Antarctic waters. Manuela López Restrepo
The art (and science) of finding lost objects Finding missing items isn't a matter of "looking harder." There's an art and a science to it. Malaka Gharib
Why are monarch butterflies hanging out in the southern U.S.? Researchers are seeking help from the public in finding monarch butterflies that are overwintering in Southern states instead of migrating. It's not clear why so many stay behind. Molly Samuel
The CDC has confirmed the first severe case of bird flu in a human in the U.S. A person in Louisiana has been hospitalized after becoming infected with a case of bird flu that's been linked to wild birds and poultry. Will Stone
The bald eagle isn't actually America's national bird — but that's poised to change After learning the U.S. doesn't officially recognize the bald eagle as its national bird, a Minnesota man swooped in. This week the House passed his bill, which now heads to Biden's desk. Rachel Treisman
Scientists know our bodies are full of microplastics. What are they doing to us? Plastic particles are found in our organs, blood and even semen. But do they stay in us forever? What damage are they doing? Here are 6 questions scientists are trying to answer Will Stone
You don't look a day over 4.35 billion! Here's the moon's anti-aging secret Early interactions with the Earth may have heated up the Moon and caused it to remelt, producing new lunar rocks and erasing old craters. Nell Greenfieldboyce