A treasure trove of FREE things to do in San Francisco with kids awaits. From walking across the iconic Golden Gate Bridge to admiring the beloved sea lions at Fisherman's Wharf, it's easy to ...

A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

Some animals reproduce only once before dying. This life strategy, called semelparity, sees organisms channel all energy into ...

Rio was born on Nov. 27 to Hu Chun, a 15-year-old adult female, and Cai Tao. The pair arrived in Indonesia in 2017 on a ...

These three bird courtship displays are so bold, precise and theatrical that they make human romance look a little ...

This separation of sexes in plants is called dioecy. One reason why dioecy may evolve is because of the negative effects that ...

From Agency Chaos to Dark Energy Shocks: How Politics, Health, Climate Policy and Space Science Defined 2025 A look back at 2025’s biggest science stories—from federal upheaval and public health ...

The white-handed gibbon comes closest to humans in the study, with a monogamy rate of 63.5%. It’s the only other top-ranked ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Sperm whales are named after the waxy substance found in their large heads called spermaceti. The spermaceti is an oil sac ...