How big could the next volcano explosion be? We're talking ash clouds, global temperature changes, acid rain and rivers of fast running molten lava.

How do volcanoes work (it's scarier than you think)

Why is this a story? How did we get here? We explain the most interesting and outlandish stories making headlines. Hosted by ABC News journos Yasmin Parry and Will Ockenden.

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We're going on a break! What's coming up next year?

Update!

Manus Island detention centre closed this week, so where will the asylum seekers go? There are three options - stay, settle or hope.

Where will the Manus asylum seekers go?

Former Trump advisor Paul Manafort has been indicted by a federal grand jury on 12 counts - basically he's in big trouble. Will he turn on Donald Trump to bargain for a reduced sentence?

What does Paul Manafort's arrest mean for Trump?

The raid, the denial, and the staffer's resignation. Tuesday's AFP raid on the Australian Workers Union has morphed into a story about honesty, credibility and who knew what.

The Union Raids: A Shakespearean epic in three acts

When the pokie reels spin, what's happening inside the machine? We go to the pub for a punt.

How do volcanoes work (it's scarier than you think)

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