The family of murdered exchange student Aiia Maasarwe has left Australia with more than just bad memories.
Sir David Attenborough has called for a plan to tackle environmental problems, with our actions now affecting the next few thousand years.
A simple blood test that detects signs of brain damage could be used to spot developing Alzheimer's disease, say scientists.
A Taliban attack in central Afghanistan has killed scores of security personnel, with some estimates putting the death toll at more than 100, amid government silence about one of the most deadly insurgent attacks in months.
Northern Ireland police say the three security alerts they examined in Londonderry on Monday were hoaxes, including one where they carried out a controlled explosion.
US President Donald Trump has paid a brief visit to the Martin Luther King Jr memorial in Washington on the holiday honouring the civil rights leader.
Aussie teens could soon be flashing shonky smiles if they don't give up their addiction to sugary drinks that not only affect their health, but their teeth too.
A "frustrated, angry and embarrassed" Todd Greenberg says he has laid down the law to all 16 NRL clubs, demanding their players take responsibility after a horror off-season.
The NSW health minister has described Greens MP Cate Faehrmann's admission she has taken MDMA as "reckless at best," revealing that four of the five recent NSW festival deaths were linked directly to the substance.
Aiia Maasarwe's family are yet to be told full details of the Melbourne attack that killed the 21-year-old international student.