A study published this year in the Journal of Population Economics suggests climate change may result in lower rates of human conception. However, it’s not due to less sex, and it doesn’t necessarily ...

The majority of fertilized eggs die and are resorbed into the body. ZEISS Microscopy/Flickr, CC BY-SA As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of ...

New Haven, Conn. — In a common metaphor used to describe human fertilization, sperm cells are competitors racing to penetrate a passive egg. But as critics have noted, the description is also a “fairy ...

David Cullen informally collaborates with SpaceBorn United - an organisation advocating the need to consider the future needs for human reproduction beyond the Earth Humans have a knack for sharing ...

The response to the coronavirus outbreak has rightly been about protecting human life. As a nation, we have taken extraordinary steps to protect public health and save lives. However, there is a huge ...

As the space tourism industry grows, so too do concerns about the potential for sex — and even conception — in microgravity. “It is unrealistic to assume all future space tourists will abstain from ...

Sex in space is a real possibility with the expected growth in space tourism over the next decade, says Cranfield University-led paper Researchers say the expected motivations and behaviours of space ...