newscientist.com / Page 5

There have been hundreds of reports of sightings of a "fireball" in the skies over the southern US - it may have been a meteor breaking up as it falls through Earth's atmosphere ...

After a nap, people who entered the second stage of sleep were more likely to spot a solution to a problem than those who slept lightly or not at all ...

DNA sequencing shows young trees are more likely to have gene variants that confer partial resistance to a fungus that has been wiping out ash trees across Europe ...

Geologists have long debated whether a stony formation in Canada contains the world's oldest rocks - new measurements make a compelling case that it does ...

With their country threatened by sea level rise, the people of Tuvalu have been offered an escape route through an agreement with Australia, and many are contemplating leaving their home ...

The recent erratic behaviour of the polar jet stream isn't out of the ordinary, researchers have found by compiling data from the past 125 years ...

Helping yourself get to sleep isn't just about avoiding screens before bedtime. From cognitive shuffling to sleep-restriction therapy, columnist Helen Thomson finds out what actually works ...

A study based on household surveys suggests that from October 2023 to January 2025, around 75,000 people in Gaza died violent deaths, while Gaza's health ministry estimates 46,000 for the same period ...

A boomerang discovered in a Polish cave was originally dated as 18,000 years old, but it may have been contaminated by preservation materials. A new estimate suggests the mammoth-ivory artefact is 40,000 years old ...

Weight-loss surgery seems to lower the risk of colorectal cancer by changing where bile acids enter the small intestine, raising the possibility of developing treatments that mimic these effects ...