Northrop Grumman's massive Manta Ray underwater test bed completed at-sea trials this year, validating its ability to operate below the waves and with minimal human contact. In a photo first ...

or able to act independently without human supervision," Northrop Grumman said on its website. The initiation of the Manta Ray program started in 2022 when the company was awarded a Phase 2 ...

Alex Mustard For a reef manta ray like this one swooping in the Indian ... “It’s a species that doesn’t have any way of adapting to survive human pressures,” says Joanna Harris, a ...

"By mimicking the manta ray's fluid silhouette, we've solved buoyancy and stability issues that plague humanoid underwater robots," said Fan Dixia, 35, the project's principal investigator.

But by studying the way a manta ray feeds on plankton, scientists in the US have designed a filtration system that captures the tiny fragments without getting clogged. Voice: Patrick Aryee Digital ...