Where do you see yourself in 10 years?

A new experiment shows pigeons use immune cells to navigate our planet. The discovery redefines our understanding of how an animal can 'feel' Earth's magnetic field.

There are plenty of reasons NOT to have kids. But a new paper suggests having them may be the only way to protect gender equality over the long term.

Influencers, billionaires, even the US health secretary. Proponents of testosterone — as a hormonal therapy or barometer of "masculinity" — are causing men to self-medicate. With nasty consequences.