By studying genetic data from nearly 140,000 IVF embryos, scientists have with unprecedented detail revealed why fewer than ...

New findings offer insight into why some embryos fail to develop past zygotic genome activation (ZGA), pointing to an unexpected root of human infertility. A critical point in early development is ...

The asteroid that struck the Earth 66 million years ago devastated life across the planet, wiping out the dinosaurs and other organisms in a hail of fire and catastrophic climate change. But new ...

At first glance, this mammal looks like a horse gone terribly wrong. But, in reality, Chalicotherium is far from a botched ...

The neonatal period, which is defined as the first 28 days after birth, is known to be a crucial stage in the development of the human brain. During this stage, the brain is known to grow ...

The real revelation, however, came from the men. Men considered a larger penis as an indicator of a rival with both greater ...

Ancient microbial activity preserved in deep seafloor sediments challenges assumptions about where fragile traces of early ...

Modern cells are complex chemical entities with cytoskeletons, finely regulated internal and external molecules, and genetic material that determines nearly every aspect of their functioning. This ...