A potential dark galaxy — one made primarily of dark matter — may have been spotted in the local universe. Dark galaxies are theoretical, starless systems whose discovery could help …
For wounded chimpanzees, help sometimes comes in the form of first aid — care rendered not by humans but by other chimps. New research reveals the nature and prevalence of …
Neandertals formed sophisticated hunting parties that drove wild horses into fatal traps around 200,000 years ago. At Germany’s Schöningen site, wooden spears, double-pointed sticks, stone artifacts and butchered remains of …
This year may already be on track to be the second hottest on record, after 2024. Floods and tornadoes are wracking wide swathes of the United States. And more wild …
The carbon that once warmed Mars’ atmosphere has been locked in its rusty rocks for millennia. That’s the story revealed by a hidden cache of carbon-bearing minerals unearthed by NASA’s …
A common chemical in household plastics has been linked with heart disease deaths. In 2018, about 13.5 percent of the more than 2.6 million deaths from cardiovascular disease among people …
I confess: If I think about skeletons, it’s around Halloween. I especially enjoy the yard displays of larger-than-life skeletons engaging in mundane activities, like walking skeleton dogs. But our own …
Despite capturing hearts around the world, the wild axolotl — an aquatic salamander with feathery frills and a soft smile — faces extinction. Fortunately, for both axolotls and their fans, …
As the Mars rover Perseverance crested the top of Witch Hazel Hill, its operators back on Earth expected amazing things. This area on the western rim of the Jezero crater, …
Not all cell walls are created equal. Take the peculiar makeup of the Borrelia burgdorferi bacterium’s cell wall. It might play a role in lingering symptoms of Lyme disease — …