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Have you ever noticed when Hollywood seems to produce two similar movies at the same time? Armageddon and Deep Impact. Mission to Mars...

I don't have to tell you that there are good and bad science channels on youtube. Kurzgesagt is one of my favourites, always informative...

Oh my - I've realised that I have neglected this blog. This year has zipped along at high speed, and we are already into the second half....

I'm happy to announce that my book with Luke Barnes, "The Cosmic Revolutionary's Handbook: (Or: How to Beat the Big Bang)", made it to...

A repost from 2013! Relativity purists will grumble over some of what is written here, but it address the key point. You are always...

... will find this a good place to start.” A new review of my new book in Publishers Weekly. You can read the full review here.

An exciting day as new book is published in the US. "Where did the universe come from? And other cosmic questions" the the result of an...

Back in lockdown, and it's been a little while since I posted, but I've got a new article in Space Australia on the recent discovery of...

Things are busy at the moment, as teaching has started, which occupies a lot of time. Not just lecturing, but the prep and then online...

There is a tale that Philip of Macedon, father of Alexander the Great, once threatened the city state of Sparta. He told them: “You are...

I provide an answer for The Age and The Sydney Morning Herald's Examine!

Where did all the matter in the cosmos come from? This is an intriguing question as we know we live in a universe that has only existed...

I wrote an article for the Institute for Art and Ideas on the multiverse. Always a controversial topic, you can read the article here.

I'm a big fan of Dan Carlin and his Hardcore History, where he pulls apart a topic in history in all of its gory details. I am toying...

Another blast from the blog past! 2017 this time, and the question is "what do you see when you fall into a black hole?" There is a lot...

Along with death and taxes, one other thing is certain: The history of science is always messier than the textbook presentation. A little...

Here's a repost of something I wrote almost a decade ago, wondering what shape an ocean would take on a non-spherical planet. I do hope...

A new chat with Dr Karl on Shirtloads of Science! Listen here

I wrote an article for Space Australia on how you find the Youngest Galaxies. Check it out here. Gravitational lensing works through...