The bus, which was carrying students back to university, reportedly drove over a bomb.
Nobel Prize-winning scientist Frances Arnold retracts paper
A Nobel laureate is being praised for retracting a scientific paper that was not reproducible.
Qasem Soleimani: Why kill him now and what happens next?
The assassination is a dramatic escalation in the low-level conflict between the US and Iran.
The mastermind behind Iran’s foreign wars
Killed by the US, he was once described as the “single most powerful operative in the Middle East”.
Australia fires: The public ire falling on Australia’s ‘absent’ PM
Heckled by people in fire-ravaged communities, Scott Morrison has become a key focus of frustration.
Shaheen Bagh: The women occupying Delhi street against citizenship law
Hundreds of Muslim women are braving the Delhi winter to protest against a new Indian citizenship law.
Australia fires: How do we know how many animals have died?
A biodiversity expert suggests almost half a billion animals might have been affected in Australia.
Australia fires: A very simple guide
The country is fighting devastating bushfires – here’s the basics you need to know.
Qasem Soleimani death: The response options open to Iran
The BBC’s Jeremy Bowen on what Iran could do in reply to the killing of its top commander.
Tokyo 2020: Why some people want the rising sun flag banned
For some, it is a reminder of Japanese atrocities – so should it be banned at Tokyo’s Olympics?