Coldplay's new music video features an otherworldly ... which sees the band members give up their spotlight to The Weirdos, an alien puppet band from Jim Henson's Creature Shop.

Coldplay have released another song for their ... rescues migrants and refugees in peril at sea in the Mediterranean. Aliens was co-written by Brian Eno, and co-produced by Eno and Markus Dravs ...

But the Coldplay purist had a point ... "Jupiter," about a girl so outta sight she shares a name with a planet, to "Alien Hits/Alien Radio," an ambient star bath that sounds like Brian Eno ...

Coldplay has always overflowed with earnestness ... especially the six-minute, mostly instrumental "Alien Hits/Alien Radio.” ...