We report on a new study from France, which indicates that dogs and cats may help to spread invasive flatworms.
A nearly complete 90-million-year-old dinosaur fossil from Patagonia, Alnashetri, reveals how alvarezsaurs evolved and shrank over time.
Shrinking North American bird population is getting worse faster. Experts blame agriculture, warming
Billions fewer birds are flying through North American skies than decades ago and their population is shrinking ever faster.
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