Formula 1 and IndyCar are the two elite open-wheel series in world motorsport - but what are the main similarities and differences between them?

After a team orders wrangle during the Azerbaijan Grand Prix, is the McLaren dynamic in danger of being upset?

Behind closed doors the work is probably already under way, but Mercedes know one day they must plan for the succession of Lewis Hamilton.

Marcus Ericsson's emotional victory in the Indy 500 provided further evidence of the series' ever-strengthening connection with Formula 1.

Formula 1's most glamorous, iconic race could be in danger of being lost from the calendar, at least on an annual basis - but could that move be truly justified?

Five races into the F1 season and Planet Sport have identified the five drivers who have impressed us the most with their performances and results.

Formula 1's debut in Miami always promised to be an unforgettable occasion and so it proved - although less the race itself, more the before and after.

Formula 1 heads to the Jeddah Corniche Circuit in Saudi Arabia for the penultimate race of the season, and a World Champion could be crowned if Lewis Hamilton struggles to adapt.