NASA Administrator Jared Isaacman announced sweeping changes to the Artemis program on Friday morning, including an increased cadence of missions and cancellation of an expensive rocket stage.

The upheaval comes as NASA has struggled to fuel the massive Space Launch System rocket for the upcoming Artemis II lunar mission, and Isaacman has sought to revitalize an agency that has moved at a glacial pace on its deep space programs. There is ever-increasing concern that, absent a shakeup, China's rising space program will land humans on the Moon before NASA can return there this decade with Artemis.

"NASA must standardize its approach, increase flight rate safely, and execute on the President’s national space policy," Isaacman said. "With credible competition from our greatest geopolitical adversary increasing by the day, we need to move faster, eliminate delays, and achieve our objectives."

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NASA Administrator Jared Isaacman announced sweeping changes to the Artemis program on Friday morning, including an increased cadence of missions and cancellation of an expensive rocket stage.

The upheaval comes as NASA has struggled to fuel the massive Space Launch System rocket for the upcoming Artemis II lunar mission, and Isaacman has sought to revitalize an agency that has moved at a glacial pace on its deep space programs. There is ever-increasing concern that, absent a shakeup, China's rising space program will land humans on the Moon before NASA can return there this decade with Artemis.

"NASA must standardize its approach, increase flight rate safely, and execute on the President’s national space policy," Isaacman said. "With credible competition from our greatest geopolitical adversary increasing by the day, we need to move faster, eliminate delays, and achieve our objectives."

Read full article

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NASA Administrator Jared Isaacman announced sweeping changes to the Artemis program on Friday morning, including an increased cadence of missions and cancellation of an expensive rocket stage.

The upheaval comes as NASA has struggled to fuel the massive Space Launch System rocket for the upcoming Artemis II lunar mission, and Isaacman has sought to revitalize an agency that has moved at a glacial pace on its deep space programs. There is ever-increasing concern that, absent a shakeup, China's rising space program will land humans on the Moon before NASA can return there this decade with Artemis.

"NASA must standardize its approach, increase flight rate safely, and execute on the President’s national space policy," Isaacman said. "With credible competition from our greatest geopolitical adversary increasing by the day, we need to move faster, eliminate delays, and achieve our objectives."

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An Ars Technica colleague recently bought a new M4 MacBook Air. I have essentially nothing bad to say about this hardware , except to point out that even in our current memory shortage apocalypse, Apple is still charging higher-than-market-rates for RAM and SSD upgrades. Still, most people buying this laptop will have a perfectly nice time with it.

But for this colleague, it was also their first interaction with macOS 26 Tahoe and the Liquid Glass redesign, the Mac's first major software design update since the Apple Silicon era began with macOS 11 Big Sur in 2020 .

Negative consumer reaction to Liquid Glass has been overstated by some members of the Apple enthusiast media ecosystem, and Apple's data shows that iOS 26 adoption rates are roughly in line with those of the last few years. But the Mac's foray into Liquid Glass has drawn particular ire from longtime users (developers Jeff Johnson and Norbert Heger have been tracking persistently weird Finder and window resizing behavior , to pick two concrete examples, and Daring Fireball's John Gruber has encouraged users not to upgrade).

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An Ars Technica colleague recently bought a new M4 MacBook Air. I have essentially nothing bad to say about this hardware , except to point out that even in our current memory shortage apocalypse, Apple is still charging higher-than-market-rates for RAM and SSD upgrades. Still, most people buying this laptop will have a perfectly nice time with it.

But for this colleague, it was also their first interaction with macOS 26 Tahoe and the Liquid Glass redesign, the Mac's first major software design update since the Apple Silicon era began with macOS 11 Big Sur in 2020 .

Negative consumer reaction to Liquid Glass has been overstated by some members of the Apple enthusiast media ecosystem, and Apple's data shows that iOS 26 adoption rates are roughly in line with those of the last few years. But the Mac's foray into Liquid Glass has drawn particular ire from longtime users (developers Jeff Johnson and Norbert Heger have been tracking persistently weird Finder and window resizing behavior , to pick two concrete examples, and Daring Fireball's John Gruber has encouraged users not to upgrade).

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An Ars Technica colleague recently bought a new M4 MacBook Air. I have essentially nothing bad to say about this hardware , except to point out that even in our current memory shortage apocalypse, Apple is still charging higher-than-market-rates for RAM and SSD upgrades. Still, most people buying this laptop will have a perfectly nice time with it.

But for this colleague, it was also their first interaction with macOS 26 Tahoe and the Liquid Glass redesign, the Mac's first major software design update since the Apple Silicon era began with macOS 11 Big Sur in 2020 .

Negative consumer reaction to Liquid Glass has been overstated by some members of the Apple enthusiast media ecosystem, and Apple's data shows that iOS 26 adoption rates are roughly in line with those of the last few years. But the Mac's foray into Liquid Glass has drawn particular ire from longtime users (developers Jeff Johnson and Norbert Heger have been tracking persistently weird Finder and window resizing behavior , to pick two concrete examples, and Daring Fireball's John Gruber has encouraged users not to upgrade).

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Block, the fintech group headed by Twitter cofounder Jack Dorsey, will cut its workforce by “nearly half” in one of the clearest signs of the sweeping changes AI tools are having on employment.

Shares in the payment company soared more than 25 percent in after-hours trading on Thursday as it announced it would shed more than 4,000 jobs from its 10,000-strong workforce.

“Intelligence tools have changed what it means to build and run a company. We’re already seeing it internally,” Dorsey wrote in a letter to shareholders.

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Block, the fintech group headed by Twitter cofounder Jack Dorsey, will cut its workforce by “nearly half” in one of the clearest signs of the sweeping changes AI tools are having on employment.

Shares in the payment company soared more than 25 percent in after-hours trading on Thursday as it announced it would shed more than 4,000 jobs from its 10,000-strong workforce.

“Intelligence tools have changed what it means to build and run a company. We’re already seeing it internally,” Dorsey wrote in a letter to shareholders.

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Block, the fintech group headed by Twitter cofounder Jack Dorsey, will cut its workforce by “nearly half” in one of the clearest signs of the sweeping changes AI tools are having on employment.

Shares in the payment company soared more than 25 percent in after-hours trading on Thursday as it announced it would shed more than 4,000 jobs from its 10,000-strong workforce.

“Intelligence tools have changed what it means to build and run a company. We’re already seeing it internally,” Dorsey wrote in a letter to shareholders.

Read full article

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