biology We may have already killed life on Mars Thom Dunn

Environment The slender-billed curlew is extinct Ruben Bolling

biology Bizarre orange"alien egg pod" found in river Allan Rose Hill

biology Scientists discover that comb jellyfish can fuse their bodies together Thom Dunn

Science Vestigial organs: hear a doctor explain every "useless" body part from head to toe Popkin

Science "Every single marine species that we've looked at so far is full of cocaine" Ruben Bolling

biology Iron Maiden is popular among biologists and taxonomists, so they just named a new lizard species after frontman Bruce Dickinson Jennifer Sandlin

biology Watch white blood cells attacking a parasite Popkin

Science Zaps from electric eels modify the genes of nearby fish David Pescovitz

Science Scientists make tiny robots out of human cells, and they repair neuron cells Ruben Bolling

Science 23andMe to sell DNA records to drug company Rob Beschizza

Science New study: Chimps undergo menopause too Ruben Bolling

biology This freaky monstrosity from the deepest sea turned up on a California beach David Pescovitz

Science Study finds that many primates engage in same-sex behavior, to reduce social conflict Ruben Bolling

Science "Cave of Bones" scientist Lee Berger talks about extinct apes that buried their dead and created art Ruben Bolling

Weird Scientists still unable to identify bizarre golden egg found at the bottom of the ocean David Pescovitz

Science Scientists discover why cats are obsessed with tuna Ruben Bolling

biology Here are the essential ingredients in semen (video) David Pescovitz

Science When this beetle is eaten by a frog, it crawls through the frog's guts to escape out the other end (video) David Pescovitz

Science Newly discovered fossils of a giant whale that may have been the largest animal to ever exist Ruben Bolling