Nuclear fusion promises to be a clean source of energy, but it is expensive, technologically complex, and far from being deployed on a commercial scale.
Grains of graphite found within ancient rocks in northeast Canada are at least 200 million years older than signs of life previously discovered in Greenland.
Whiskey enthusiasts also often add a few drops of water before drinking it, but how dilution might help its taste was not clear until now.
The 13-million-year-old infant skull was unearthed in Kenya in 2014 and will help researchers understand how climate, ecology, geography, and other factors were key to evolution.
The new technology used to make this discovery could one day allow scientists to image live activity in the brain.
Shining lasers onto antimatter could help solve the mystery of why there is so much less antimatter than normal matter in the universe.
Fossil footprints suggest that Lucy's ancient human species was polygynous, with groups of females mating with a single male.
Scientists figure out how the small structures make short work of tangles.
Since powerful men monopolized women at the time, unwed men sought matches of their own.
The space rock that ended the reign of the dinosaurs may have traveled through the planet farther than we thought.