Articles By Hannah Osborne
Climate change report shows just 90 companies are responsible for two-thirds of emissions.
Siats meekerorum kept tyrannosaurus rex from top of food chain for millions of years.
Ibuprofen prevents memory problems in people using cannabis for medical purposes.
Experts say krokodil is used in remote parts of Russia because there is nothing else available.
Storm building up in Bay of Bengal with 90km/h winds expected to intensify.
Report shows fifth of people with HIV are unaware of their infection.
Research uncovers secrets of Mars' birth from unique meteorite found in Sahara.
If Comet of the Century makes it round the sun, it will be so bright it will be visible in the day.
Migliorini sold virginity in online auction but insists she never had sex with top bidder.
Police launch fresh appeal in hunt for man assaulting victims with needles.