Earth’s earliest animals may have held evolution back because they reproduced asexually, creating low-competition communities ...

A study has found that the reason why the evolution of the first animals to appear on Earth was delayed for over 10 million ...

In Second Nature, scientists theorize that Darwin couldn’t help but impose his own heterosexual ideations on animal reproduction, mainly that animals only copulate for the purposes of reproduction, ...

Life was pretty nice during the Ediacaran, so the need for sex was rather limited,” Emily Mitchell, a paleozoologist at the ...

A recent study by Ruibao Li and Jennah Dharamshi published in Nature may help us understand the beginnings of animal ...

Scientists say Earth's earliest animals reproduced by cloning themselves, a strategy that limited competition and slowed ...

Most animals require both a male and a female to reproduce. But a surprising number of species can occasionally bypass that ...

New research reveals that honey bee queen development depends on specialized royal cells and worker bees, not just royal ...

A single tick can start an infestation, and the parasite it carries stays in your herd forever. Now in 27 states, the ...

Scientists suggest Earth's earliest animals reproduced asexually, slowing evolution and delaying the biodiversity boom that ...

The whole point of reproduction is that you produce more of your own species, right? Well, not exactly, and not if you are an ...

The New World screwworm is a parasitic fly. When females lay eggs in an open wound or in a moist body cavity — the nose, ears ...