Deep within the cells of mice, a genetic arms race is unfolding between X and Y chromosome genes, battling for dominance in ...

In evolutionary terms, fitness is defined as an organism's ability to survive and reproduce its genes into the next ...

In evolutionary terms, fitness is defined as an organism's ability to survive and reproduce its genes into the next generation.

The xAI merger capped a yearslong turnaround effort for the social-media company.

March 23 (Reuters) - The Israeli military said on Sunday it had intercepted a missile launched from Yemen before it crossed into Israeli territory, as escalation between Israel and the Iran ...