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NASA Chooses Lockheed Martin To Build Nuclear Mars Rocket
The spacecraft will use a reactor from BWX Technologies to travel to the red planet.
NASA and DARPA have chosen Lockheed Martin to build a spacecraft featuring a nuclear rocket engine. The project is known as the Demonstration Rocket for Agile Cislunar Operations (DRACO), and should be ready for trials by 2027, in the hope that it will eventually be used for missions to Mars.
The rocket will use Nuclear thermal propulsion (NTP), which has several advantages over conventional chemical-powered engines. Nuclear power is up to five times more efficient than rocket fuel, which means that future spacecraft will be able to travel significantly further with a larger payload.
“These more powerful and efficient nuclear thermal propulsion systems can provide faster transit times between destinations,” explained Kirk Shireman, VP of Lunar Exploration Campaigns for Lockheed Martin. “Reducing transit time is vital for human missions to Mars to limit a crew’s exposure to radiation”.

The NTP system will use a nuclear reactor to rapidly heat hydrogen propellant to very high temperatures. The gas is then funneled through the engine’s nozzle, creating thrust. “This nuclear thermal propulsion system is designed to be extremely safe and reliable, using High Assay Low Enriched Uranium (HALEU) fuel to rapidly heat a super-cold gas,” explained reactor developers BWX Technologies. “As the gas is heated, it expands quickly and creates thrust to move the spacecraft more efficiently than typical chemical combustion engines”.
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To help alleviate concerns about radioactive leaks, NASA and DARPA will use a conventional rocket to take the new spacecraft out of Earth’s orbit before powering up the reactor after the ship has reached a safe distance.
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At I/O 2026, Sundar Pichai Concedes AI Must Deliver Real Value
Gemini 3.5, a personal agent called Spark, agentic shopping, and Android XR eyewear are all aimed at making AI feel useful, not just impressive.
Google’s annual I/O developer conference (I/O 2026) has recently become a status update on the same question: can the company turn its AI spending into products people use every day? This year, chief executive Sundar Pichai described Google as being in a phase of hyper progress, while conceding this is the part of the cycle where people want to see real value in the products they use on a day-to-day basis.
The strategy on display was to push agents — AI systems that act on a user’s behalf — into nearly every Google product at once. Search now has an “intelligent search box” that returns generated explainer videos alongside links. Gmail, Docs, YouTube and Maps are gaining their own agent layers, including a Docs Live feature that turns spoken instructions into drafted text with citations.
Two new models, Gemini 3.5 and a cheaper Gemini 3.5 Flash, arrived the same day. Google says 900 million people now use Gemini, and that more than 50 billion images have been generated with it. The pricing tier names are likely to confuse buyers: a new AI Ultra plan launches at $100 a month, while the older Gemini AI Ultra drops from $250 to $200.
The flashier announcements were Gemini Omni, a video generator pitched as a more realistic answer to OpenAI’s discontinued Sora 2, and Gemini Spark, a personal agent that handles recurring tasks across a user’s Google account. A new universal shopping cart lets agents complete purchases across multiple retailers from inside Google itself, placing the company between the merchant and the buyer, and also owning the checkout.
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Google also confirmed its Android XR eyewear, built with Samsung and frames from Warby Parker and Gentle Monster. Audio-only glasses ship this autumn; a display-equipped version, which would superimpose live translations into the wearer’s field of view, is still in development. Both sets translate, however only the display version shows you the result.
What Pichai did not resolve is the bargain underneath all this. An agent is only useful to the degree it knows your calendar, your inbox, your shopping history and your physical surroundings. Google has now confirmed that, in time, the same context may carry advertising.
