Blue Origin remains uncertain about the cause of last month's New Glenn rocket explosion, as the company pushes to relaunch its mega-rocket later this year.

Blue Origin CEO Dave Limp says the root cause of the May explosion remains unknown, with early analysis pointing to the aft section of the first stage.

But the company is still claiming that New Glenn will return to flight this year.

Blue Origin remains uncertain about the cause of last month's New Glenn rocket explosion, as the company pushes to relaunch its mega-rocket later this year.