How corporate-funded research is corrupting America’s courts and regulatory agencies.

One of the UK’s last killer whales, which was found dead last year, had some of the highest levels of a toxic pollutant ever recorded. By Rebecca Morelle.

Could cheese powder disrupt your hormones?

Discovery has major implications for hunt for alien life on the red planet as it means any evidence is likely to be buried deep underground. By Ian Sample.

Flame-retardant chemicals used on furniture and other products could be making women infertile, a new study suggests. Researchers in the US found more than 80 per cent of women having fertility treatment at the Massachusetts General Hospital had traces of three types of chemicals known as PFRs in their urine. And those with high levels of the chemicals were 38 per cent less likely to have a child after a cycle of IVF treatment than those with low levels. While the study does not prove the chemicals are causing infertility, it highlights a possible link.