News
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AstronomyFaint body may be galaxy building block
Using a cosmic zoom lens, astronomers may have found one of the first building blocks of a galaxy in the universe.
By Ron Cowen -
AnimalsPoison birds copy ‘don’t touch’ feathers
A subspecies of one of New Guinea's poisonous pitohui birds may be mimicking a toxic neighbor, according to a new genetic analysis.
By Susan Milius -
Health & MedicineAging cells may promote tumors nearby
Cells that enter a state called senescence in older individuals may stimulate nearby cells to become tumors.
By John Travis -
Gene change speaks to language malady
Researchers have identified a genetic mutation that may lie at the root of a severe speech and language disorder observed across four generations of a British family.