The absence of wood-boring "ship worms" in the Antarctic means old wrecks like Shackleton's Endurance probably remain in good condition, a study suggests.

Larger than expected numbers of invasive ants are being unwittingly transported around the world, scientists report.

Chad's oil minister tells the BBC he has suspended all operations of China's CNPC state-run oil firm for causing environmental damage.

Scientists are reporting a milestone for cancer research after charting 21 major mutations behind the vast majority of tumours.