A massive "raft" of very lightweight rocks called pumice is floating across the South Pacific Ocean. The rocks came from an undersea volcano and are expected to wind up in Australia in seven to 12 months.
Published in “Science”
The computer systems of local governments, school districts, and businesses are being targeted more often by criminals, who lock the computer files, and refuse to unlock them until they are paid.
Brazilian President Jair Bolsonaro has sent Brazil's army to try to help bring forest fires in the Amazon rainforest under control. The move comes after weeks of inaction which brought criticism from around the world.
In today's news roundup, G7 leaders hold a tense meeting in France, a woman wins all the prizes in a 31-mile (50-kilometer) race, and a city in Germany offers a prize for proof it doesn't exist.
On Sunday, around 100 people in Iceland held an unusual funeral - for a glacier. The short ceremony marked the passing of one glacier and was meant as a warning to help save the glaciers that remain.
Last week Australian Prime Minister Scott Morrison met with the leaders of many Pacific island nations. The leaders agreed in many areas, but the talks almost broke down over the climate crisis.
In today's news roundup, tens of thousands of women march in Brazil, a Russian plane lands in a cornfield, Tunisia has 26 people running for president, and a 15-year-old girl makes social media posts from her refrigerator - maybe.
How does a curious scientist who likes to bake entertain himself? Well, if it's Seamus Blackley, he tries to get some ancient Egyptian yeast, so he can bake a loaf of bread.
In April, a small spacecraft sent to the moon by an Israeli company crashed. But a special "library" the ship was carrying may have survived, including tiny living creatures called tardigrades.
A man in Indonesia is walking backwards for 435 miles (700 km). He's making the trip to encourage the government and others to protect and rebuild Indonesia's rainforests.
Huge amounts of Brazil's unique rainforest are being destroyed quickly under the country's new president, Jair Bolsonaro. Since he became president in January, more forest is being cut down and less is being done about it.