After a grueling fortnight of competition, the 2018 Australian Open finals are about to kick off. Here is everything sports fans need to know, including what time the match starts and the various ways you can watch it live and online.

It's the 'fight of the century'. Boxing versus MMA, Old versus New, Floyd 'Money' Mayweather versus Conor 'The Notorious' McGregor. Nothing about it makes any goddamn sense whatsoever but it's happening and there's nothing anyone can do about that.

The only thing we can do now is prepare.

Welcome to the bluffer's guide to Mayweather vs McGregor.

Today's Australian Open schedule includes the Mixed Doubles semi (featuring Australia's Sam Groth and Samantha Stosur), the Women's Doubles final and the legendary Rafael Nadal's semi-final against Grigor Dimitrov. Here are the times for today's matches.

Regular physical activity is an essential part of a healthy lifestyle, protecting us from a host of modern ills such as heart disease, obesity, type 2 diabetes, depression and some cancers. Sport and exercise are great ways to accumulate regular physical activity, but what about when they do us harm?

Football fans this weekend are in for a treat as the AFL and NRL Grand Finals are on Saturday and Sunday, respectively. How do you watch it for free if you don't have tickets to see the games live? How can you watch them if you're overseas? How do you make conversation with AFL and NRL fans when you know nothing about the two sports? What snacks should you make while you and your mates watch the games? We've got you covered.

If you work in an oppressive office that has banned everybody from tuning into the Rio 2016 Olympic Games (or if you're just easily distracted and avoiding it all together) but you still want to keep track of the results, here's how you can do it discreetly.

My team from the University of New South Wales defeated team B-Human from Germany 3-1 last week, to claim back-to-back Robocup SPL World Championships. Here's how we did it.

The drive to improve performance means elite sport is inundated with data from wearable technologies such as GPS, computer vision and match statistics. So professional clubs are constantly on the lookout for tools that can help turn these data into usable and meaningful information.

Remember when you were a kid, and could play a pick-up game of basketball with your friends or (after a little begging your parents) sign up for any of dozens of sports? Those days don't have to be behind you. There are lots of sports and activities that are open to us grown-ups. Here are a few.

One of the stranger features of the Australian TV landscape is the anti-siphoning rule: a list of key sporting events which free-to-air TV essentially has exclusive access to, blocking out pay TV platforms from bidding. Despite current plans to deregulate much of the local TV industry, the Federal Coalition government appears to have no plans to change that.

Want to see the Melbourne Cup but won't be in a suitably-equipped venue with a TV? Here's how you can watch the race that stops a nation from the relative comfort of your browser.

In sport we don't just want to know who won. We now want to know how to replicate success and then improve on it. And to do this, we're using data -- and lots of it. The field of "big data" analytics has come to sport and athletics, with massive implications for sport as we know it.

The World Cup is in full swing, and with it SBS' coverage online and in its Android and iOS apps. It has been a bold experiment for the public broadcaster -- but has it worked?

The World Cup kicks off on Friday morning, and for once there's a very clear choice if you want to watch it online. Here's how to get your soccer fix on the screen of your choice

Brief news items of note for Lifehacker readers including: Everything you need to know about Foxtel's Presto movie service, introducing Unified Weapons Master, get seven classic Grand Theft Auto games for $10.

Chartered Accountant Amanda Cox picked the best time to join the West Coast Eagles nine years ago – the team made it to the AFL grand final. And the following year the Perth team won it.

This Saturday, the Wallabies take on the Lions in the decider for this year's test series between Australia's and Britain's national rugby teams. As well as excessive amounts of mud and testosterone, the games also offers up some interesting lessons in a field rather removed from rugger biffo: analytics and business intelligence.

The second State of Origin rugby league match is on tonight, and once again viewers will have to put up with the complete absence of any HD broadcast because Nine doesn't want the extra expense. One minor sop? The quick replay feature in Nine's Jump-In interactive app, which only worked on iPad for the first Origin match this year, now works for iPhone users as well.

Dear Lifehacker, Looking at the TV guide, I see that once again there is no high-definition (HD) broadcast for the State of Origin on Channel Nine. I will again have no other option but to watch a standard definition (SD) presentation of the game on my HD-ready plasma TV. What I can't understand is why?