Confirmed to be hard at work on the follow-up to The 2nd Law since last April, Muse have now invited fans inside the studio (via Instagram) to see what progress is being made.
It's only a 10 second clip, but we can probably glean from it that the Devon rockers' new record will be called Drones:

Een video die is geplaatst door @muse op Jan 26, 2015 at 4:17 PST

It follows two other recent audio-visual dispatches from the studio:

A photo posted by @muse on Jan 24, 2015 at 6:14am PST

A video posted by @muse on Jan 20, 2015 at 11:09am PST

Mutt Lange is on production and a release date is pencilled in for this year.
Matt Bellamy tweeted of themes in September: "Deep ecology, the empathy gap and World War 3". Business as usual, then.