Ars Live: Four space journalists debate whether NASA is really going to Mars
I'm incredibly excited, as part of the Ars Live series, to host a conversation with…
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SpaceX may have solved one problem, only to find more on latest Starship flight
SpaceX made some progress on another test flight of the world's most powerful rocket Tuesday,…
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Rocket Report: Rocket Lab to demo cargo delivery; America’s new ICBM in trouble
Rising costs ... Sentinel, developed by Northrop Grumman, will replace the Air Force's fleet of…
NASA’s Psyche spacecraft hits a speed bump on the way to a metal asteroid
An illustration depicts a NASA spacecraft approaching the metal-rich asteroid Psyche. Though there are no…
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NASA just swapped a 10-year-old Artemis II engine with one nearly twice its age
The shuttle main engines were designed in the 1970s, ahead of the first shuttle launch…
After convincing senators he supports Artemis, Isaacman nomination advances
The US Senate Commerce Committee on Wednesday advanced the nomination of private astronaut and businessman…
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What’s it like to be 70 years old in space? “All those little aches and pains heal up.”
Not many people celebrate their birthday by burning a fiery arc through the atmosphere, pulling…
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Rocket Report: The pitfalls of rideshare; China launches next Tiangong crew
SpaceX resupplies the ISS. SpaceX launched an uncrewed Cargo Dragon spacecraft to the International Space…
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Reusable rockets are here, so why is NASA paying more to launch stuff to space?
• 1998: Deep Space 1 — Delta II rocket — $86 million • 1999: Mars…
Republican space officials criticize “mindless” NASA science cuts
In the nearly two weeks since Ars reported on the Trump administration's proposed budget cuts…