"The death of five tigers in one day is unacceptable." Officials sound alarm after 75 tigers die in shocking string of ...

Silently padding through the jungle, the tiger slinks between tree trunks and hanging vines, her stripes a seamless veil among the dappled shadows on the forest floor. Hard to spot for a human — ...

WORCESTER, Mass. -- Any little breakdown can turn into the moment that ruins the potential for a good night. That one breakdown turns into another, turns into a bad pass, turns into an open man who ...

When night falls, a high-stakes acrobatic drama takes the stage, a swirl of bats hunting insects, trying to outmaneuver each other in aerial pursuit and escape. Science reporter Ari Daniel has the ...