113,199+ results
113,199+ results for:
- Earth
Life’s early traces
Tiny tufts, rolls and crinkles in 3.5-billion-year-old rocks add to a growing body of evidence suggesting that cellular life got a relatively quick start on Earth.
- Life
How to tell good gut microbes from bad
Researchers sort out influences of specific bacteria on body fat, the immune system.
- Health & Medicine
Ancient history of canine cancer decoded
A contagious cancer has been plaguing dogs for 11,000 years, a new genetic analysis reveals.
- Animals
Animals were the original twerkers
From black widow spiders to birds and bees, shaking that booty goes way back.
- Humans
Small fetal size early on might carry risks later
A smaller size in first trimester of pregnancy has been linked to heart-health warning signs in childhood.
- Animals
Mantis shrimp’s bizarre visual system may save brainpower
The mantis shrimp sees each color separately with one of a dozen kinds of specialized cells, a system that may help the animal quickly see colors without a lot of brainpower.
- Planetary Science
Old rover finds new evidence of water on Mars
Opportunity’s analysis of rocks at Endeavour crater reveals chemistry that could have supported life.
- Quantum Physics
Atomic clock sets world records for precision, stability
The strontium atomic clock is about 50 percent more precise than the previous record holder made of a single charged aluminum atom and rivals the ytterbium atomic clock for the title of most stable.
- Physics
Laser builds mirror by pushing beads together
The light technique may one day be used to build giant telescopes in space.
- Animals
Eight ways that animals survive the winter
Migrating to a warmer place is just the start when it comes to finding ways to stay toasty as temperatures drop.
- Planetary Science
Dwarf planet Ceres gives off gassy water
Astronomers report observations that Ceres releases water molecules from two distinct spots on its surface.
- Cosmology
New supernova spotted in nearby galaxy
The galaxy M82 has given off a brilliant flash, which astronomers have confirmed as a type 1a supernova.
