Uncovering a centaur's tracks: Scientists examine unique asteroid-comet hybrid

Scientists Developed a Questionnaire to Identify if Your Cat Is a Psychopath

Scientists Astonished by Surprising Evolutionary Twist in Frog Sex Genes

New study confirms the moon is older than we realized. Scientists have shown that a "remelting event" more than 4.3 billion years ago "reset" the internal clock of most lunar rocks, which has helped obscure the moon's true age.