Agitation, anxiety and depression seen in people with Alzheimer's may be driven by brain inflammation, in addition to abnormal proteins.
At the current emissions level, there is a 50% chance that global warming will exceed 1.5 degrees Celsius consistently in about seven years, new research suggests.
Peering deep into 'The Brick,' a dark, chaotic gas cloud at the heart of the Milky Way, the James Webb Space Telescope uncovered secrets that could shake up theories of star formation.
A new vaccine, so far tested only in mice, broadly activates the immune system against a wide array of bacteria and fungi.
Elephants appear to have evolved their long, grasping trunks as a result of climate change pressures on their ancestors millions of years ago.
Bears that are struggling to hibernate due to abnormally warm weather in Russia's Amur region are wandering around in a daze, having suppressed their metabolism in preparation for winter.
DNA from a supposed Abominable Snowman actually came from a horse, but that doesn't mean stories of the Yeti passed on by local people aren't important.
A weird phenomenon in which electricity flows like water was spotted in a nanowire made of "strange metal" — a bizarre metal phase that has stumped physicists for 40 years.
If dark matter is made from "dark" versions of the basic building blocks of ordinary matter, the world's largest particle accelerator should be able to pin it down, a new study suggests.
Why does ice float in water, instead of sinking to the bottom? It has to do with water's density and molecular structure.
Far from any galaxy, icy grains of dust in deep space may be able to form organic molecules, a new preprint study finds.
Tiny biological robots can move on their own, assemble into 'superbots' and encourage nerve cells regrow.