7,733 results
- Archaeology
Green reapers
Agriculture's rise sparked widespread use of green stone beads as fertility charms and as protection against supernatural forces, scientists propose.
- Life
Killer bee colonization
A NASA project will combine satellite observations of plant growth in the continental United States and projections of how climate might change in coming years to estimate where “killer bees” could ultimately survive in the wild.
- Computing
Computing Evolution
Scientists sift through genetic data sets to better map twisting branches in the tree of life.
- Space
Icy asteroids
New observations are further eroding the difference between asteroids and comets.
- Agriculture
Bee-Loved Plantings
Zipcode-organized guidelines tell gardeners, farmers and others how to design a landscape that will not only entice pollinators but also keep these horticultural helpers happy.
- Life
Step-by-step Evolution
Hard to find, but very fruitful when found, transitional fossils fill in the gaps in the paleontological record.
- Climate
A little drier every day
The Sahara, one of the hottest and driest regions on Earth, gradually became arid over a period of centuries, a finding that contradicts many previous studies.
- Paleontology
China was an ancient-ape paradise
Fossil dig uncovers the oldest known remains of ancestral gibbons
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- Earth
Ancient Chasm: Parts of Grand Canyon may be 17 million years old
The chemical composition of mineral formations in caves along the Grand Canyon may provide fresh insight into the chasm's history, including its age and the rate at which it was carved.
- Animals
Polar bears listed
Polar bear declared "threatened," but Secretary limits decision's impact.
- Planetary Science
Portrait of a Martian crater
An ultrasharp image of part of Mars' Gale crater shows waterborne sediments and volcanic ash.
