All Stories
- Animals
Ants’ size and profession controlled by chemical tags on DNA
Epigenetic marks determine whether female Florida carpenter ants are soldiers or foragers.
- Astronomy
‘Bones’ in Milky Way could help map galactic structure
Six newly discovered tendrils of interstellar gas might be “bones” of the Milky Way that could help researchers understand the scaffolding of our galaxy.
- Astronomy
This white dwarf is hotter than the rest
A new record holder for hottest white dwarf sizzles at about 250,000˚ Celsius.
- Paleontology
12 amazing fossil finds of 2015
From an ancient sponge ancestor to the Carolina Butcher, scientists learned a lot about life on Earth this year.
By Meghan Rosen - Psychology
As suicide rates rise, researchers separate thoughts from actions
Advances in suicide research and treatment may depend on separating thoughts from acts.
By Bruce Bower - Astronomy
Astronomical milestones of 2015
The New Horizons mission to Pluto was the No. 1 science story of the year. Here some other notable space missions.
- Animals
Lemurs chat only with their best friends
Ring-tailed lemurs maintain friendships built with grooming by calling to each other, a new study finds.
- Science & Society
Science puzzles no longer so puzzling
This year, researchers solved the riddle of mysterious radio bursts, the Erdös discrepancy problem and an elusive acid.
- Science & Society
These truisms proved false in 2015
Don’t always believe what you hear. These truisms turned out to be false in 2015.
- Animals
Puff adders appear ‘invisible’ to noses
The snakey scent of puff adders proves difficult for even sensitive animal noses to detect.
By Susan Milius - Astronomy
Equipment failure pushes back Mars lander mission
The launch of the Mars InSight lander is suspended until at least 2018 because of a faulty seismometer.
By Andrew Grant - Planetary Science
Equipment failure delays Mars mission
A leaky instrument will push back launch of the Mars InSight lander by at least two years.
By Andrew Grant