Researchers have created an artificial gill that extracts oxygen from seawater to fuel cells, enabling robotic sea gliders or autonomous underwater vehicles (AUVs) to operate on long missions.

Sunday's liftoff was the fifth ever for the two-stage H3, which was developed by the Japan Aerospace Exploration Agency (JAXA) and Mitsubishi Heavy Industries to replace Japan's workhorse H-2A rocket.

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise.

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According to the draft, “the private sector will have such responsibilities as managing [the new space station], and JAXA will support its use.” JAXA is currently responsible to the management and ...

JAXA said on April 5 that the number rocketed up by 4.3 times from the last time it recruited astronauts in 2008, when it was 963. The agency no longer requires prospective astronauts to have ...