Not long ago, a breakthrough in assisted reproductive technology allowed for the creation of an embryo with DNA from three ...

In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones. By Carl Zimmer A flurry of new studies ...

The most widely accepted scientific explanation for the arrival of all complex life on Earth has had an unsolved mystery at its heart. According to the theory, all plants, animals and fungi, known ...

Here’s what you’ll learn when reading this story: Chondrichthyan fishes—a group that includes rays, skates, chimaeras, and sharks—are thought to have energy intensive reproduction cycles due in no ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? “The discovery of S. arienae broadens our understanding of early eukaryotic evolution ...

Scientists have identified tubulin structures in primitive Asgard archea that may have been the precursor of our own cellular skeletons. In 2010, biologists made a shocking discovery. Living in the ...

Aphid-hunting wasps can reproduce with or without sex, challenging previous assumptions. This unique flexibility could boost sustainable pest control if its hidden drawbacks can be managed. The ...

Sharks play a critical role in maintaining the balance of ocean ecosystems. Whether they’re top predators or mesopredators, their presence helps regulate populations of prey species and support the ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Motherhood is entirely possible at the age 74—for some birds at ...

Imagine if humans could do that—no need for a partner or complicated dating processes. Just think of the possibilities! wink, wink. Cloning in animals refers to asexual reproduction, where an organism ...

All modern multicellular life — all life that any of us regularly see — is made of cells with a knack for compartmentalization. Recent discoveries are revealing how the first eukaryote got its start.

All complex life forms on Earth, including plants and animals, are made up of eukaryotic cells; they are more sophisticated than bacterial or archaeal cells, which are prokaryotic. Eukaryotes have ...