Is this the footprint of one of the last Neandertals?
The fossilized print, found in Gibraltar, is said to date to 28,000 years ago, which might mean it belonged to a Neandertal. But not everyone agrees with that interpretation.
With first-ever landing on moon’s farside, China enters ‘Luna Incognita’
The Chang’e-4 mission could have major effects on Earthbound science and politics.
Freshwater is getting saltier, threatening people and wildlife
Road de-icing, industrial activity and other culprits are pushing salt levels in rivers and streams to alarming levels.
How tear gas works: A rundown of the chemicals used on crowds
There are two broad types of tear gas—and they’re both engineered to cause pain.
One of the biggest reasons wildfires are creating such huge disasters in recent years is the expansion of the West’s population into fire-prone wildland areas.
Explosives experts use a combination of x-ray scans, chemical swabs and other tools to evaluate the parcel.
Traces of the Apollo astronauts’ presence lingered long after they left.
To know what a wildfire might do next, researchers need to know how an inferno interacts with the atmosphere.
New findings give some weight to the idea that life was blasted here from another planet.
