To recap 2025, NewsForKids.net is taking a look back at some of the most interesting stories we’ve covered this year. Today we’re looking at some incredible stories from the world of science.
Published in “Science”
Denmark's government-run postal service will stop carrying letters at the end of this year. The move is in response to a huge drop in the number of letters being sent. Many postal services around the world are struggling, and some people think Denmark won't be the only country to stop delivering letters.
Scientists have discovered that two different kinds of sea animals – orcas and dolphins – may be working together to hunt for salmon. Orcas and dolphins are both clever, but it's unusual for two different kinds of animals to cooperate in this way.
In 2021, the Heiltsuk Nation in Canada set traps to catch invasive European green crabs. The traps kept getting destroyed, and no one knew how. When scientists set up a camera to learn what was going on, they got a surprise: a clever wolf had used a series of complicated steps to get food from the trap.
Strong storms and heavy rains have caused terrible flooding in several countries in southern Asia, including Indonesia, Sri Lanka, and Thailand. In all, over 1,100 people have died, and millions have been forced to leave their homes.
Hayli Gubbi, a volcano in northern Ethiopia, erupted on Sunday, sending a huge cloud of smoke and ash into the air. The volcano had not erupted in recent history, and the ash cloud has spread into nearby countries, causing some flight delays.
The COP30 climate talks in Belém, Brazil ended last Saturday with a deal that left many people disappointed. The meeting, organized by the United Nations, was marked by strong disagreements between countries. The talks resulted in a deal, but without any new agreements on fossil fuels.
By exploring deep under the Southern Ocean, researchers have discovered 30 unusual species that are new to science. The species include a sponge that eats animals, worms that eat bones, and several news sea stars and sea worms.
Human history is sometimes recorded in unexpected ways. Scientists studying the ancient nests of bearded vultures in Spain have found over 200 human-made items built into the nests. One surprising item was a complete sandal woven from grass and small sticks. The sandal turned out to be over 650 years old.
Doctors at a hospital in New York have begun a program that will test whether specially designed pig kidneys can be used to replace human kidneys. The results of the trial program could help thousands of people who are waiting for a new kidney.











