After multiple delays, rocket repairs, and a restructuring of the program to return to the moon, the Artemis II mission is ready for liftoff. If there are no problems, four astronauts will inaugurate NASA’s new lunar campaign on Wednesday, more than 50 years after the Apollo era.
The Artemis II crew will not descend to the moon; that won’t happen until Artemis IV. But their capsule will fly 6,000 to 9,000 kilometers over the surface of the hidden side of Earth’s satellite, circle it, and make the return trip home. The main objective of the mission is to demonstrate that the space agency has the technological capability to send people to the moon safely and without mishap.
Once this is achieved, NASA will begin preparations for new lunar landings during the following years, which will aim to consolidate the first lunar bases in history and with it, the sustained and sustainable presence of human beings on the satellite.
When and Where Can You Watch the Artemis II Liftoff?
The new launch window opens Wednesday, April 1 at 6:24 pm EDT and will last for two hours. This means that once all the protocol tests are done, liftoff of the Artemis II mission could occur anytime between 6:24 pm and 8:24 pm EDT. There is no exact time, because the trip is cleared based on technical, weather, and space traffic conditions. If something prevents the launch this Wednesday, NASA has five more days to try again.
Monday, April 6, would be the last day of this launch window. If unsuccessful this time, the launch window would be pushed to April 30.
According to NASA, the live broadcast will be available on its YouTube channel. The stream will begin at 7:45 am with coverage of tank operations to load the booster. Meanwhile, at 12:50 pm the official coverage will begin and carry on until liftoff. Two hours after the launch, NASA will hold a press conference.
Mission Details
The astronauts will take off in a NASA SLS rocket and travel inside the Orion capsule, described as a spacecraft about the size of a large van. They will orbit Earth for at least two days to test the onboard instruments. Then they will align the spacecraft to begin its journey to the moon. By the fifth or sixth day of flight, the capsule is expected to enter the moon’s sphere of influence, where the satellite’s gravity is stronger than Earth’s, and dock with its orbit.
When the spacecraft passes “behind” the moon, the most dangerous phase will begin. The crew will be out of contact with Earth for about 50 minutes due to interference from the moon itself. During this crucial moment, the crew must capture images and data from the moon, taking advantage of the far-more-advanced technology they carry than was available during the Apollo era.
After completing the return, the capsule will head home, taking advantage of the Earth-moon gravity field to save fuel. According to NASA estimates, by the 10th day of flight the crew will be close to reaching the planet.
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![Your Doctor Is Most Likely Consulting This Free AI Chatbot, Report Says
How would you like it if, when stumped or just in need of some help with an unfamiliar situation, your doctor consulted a free, ad-supported AI chatbot? That’s not actually a hypothetical. They probably are doing that, a new report from NBC News says. It’s called OpenEvidence, and NBC says it was “used by about 65% of U.S. doctors across almost 27 million clinical encounters in April alone.” An earlier Bloomberg report on OpenEvidence from seven months ago said it had signed up 50% of American doctors at the time—so reported growth is rapid.
The OpenEvidence homepage trumpets the bot as “America’s Official Medical Knowledge Platform,” and says healthcare professionals qualify for unlimited free use, but non-doctors can try it for free without creating accounts. It gives long, detailed answers with extensive citations that superficially look—to me, a non-doctor—trustworthy and credible. NBC interviewed doctors for its story, and apparently pressed them on how often they actually click those links to the sources of information, and “most said they only do so when they get an unexpected result,” NBC’s report says.
While it’s free, OpenEvidence is not a charity. It’s a Miami-headquartered tech unicorn with a billionaire founder named David Nadler, and as of January it boasted a billion valuation. NBC says it’s backed by some of the all stars of Sand Hill Road: Sequoia Capital and Andreessen Horowitz, along with Google Ventures, Thrive Capital, and Nvidia.
And its revenue comes from ads (for now), which NBC says are often for “pharmaceutical and medical device companies.” I’m not capable of stress testing such a piece of software, but I kicked the tires slightly by asking Claude to generate doctor’s notes that are very bad and irresponsible (I said it was just a movie prop). ©OpenEvidence When I told OpenEvidence those were my notes and asked it to make sure they were good, thankfully, it confirmed that they were bad, saying in part:
“This clinical documentation raises serious patient safety concerns. The presentation described contains multiple red flags for subarachnoid hemorrhage (SAH) that appear to have been insufficiently weighted, and the current management plan could result in significant harm.” So that’s somewhat comforting. On the other hand, according to NBC: “[…]some healthcare providers were quick to point out that OpenEvidence occasionally flubbed or exaggerated its answers, particularly on rare conditions or in ‘edge’ cases.” NBC’s report also clocked some worries within the medical community and elsewhere, in particular, a “lack of rigorous scientific studies on the tool’s patient impact,” and signs that OpenEvidence might be stunting the intellectual development of recent med school grads: “One midcareer doctor in Missouri, who requested anonymity given the limited number of providers in their medical field in the country, said he was already seeing the detrimental effects of OpenEvidence on students’ ability to sort signals from noise. ‘My worry is that when we introduce a new tool, any kind of tool that is doing part of your skills that you had trained up for a while beforehand, you start losing those skills pretty quickly” At a recent doctor’s appointment, my doctor asked my permission to use an AI tool on their phone (I don’t know if it was OpenEvidence). I didn’t know what to say other than yes. Do I want that for my doctor’s appointment? Not especially. But if my doctor has come to rely on a tool like this, then what am I supposed to do? Take away their crutch? #Doctor #Consulting #Free #Chatbot #ReportArtificial intelligence,doctors,Medicine Your Doctor Is Most Likely Consulting This Free AI Chatbot, Report Says
How would you like it if, when stumped or just in need of some help with an unfamiliar situation, your doctor consulted a free, ad-supported AI chatbot? That’s not actually a hypothetical. They probably are doing that, a new report from NBC News says. It’s called OpenEvidence, and NBC says it was “used by about 65% of U.S. doctors across almost 27 million clinical encounters in April alone.” An earlier Bloomberg report on OpenEvidence from seven months ago said it had signed up 50% of American doctors at the time—so reported growth is rapid.
The OpenEvidence homepage trumpets the bot as “America’s Official Medical Knowledge Platform,” and says healthcare professionals qualify for unlimited free use, but non-doctors can try it for free without creating accounts. It gives long, detailed answers with extensive citations that superficially look—to me, a non-doctor—trustworthy and credible. NBC interviewed doctors for its story, and apparently pressed them on how often they actually click those links to the sources of information, and “most said they only do so when they get an unexpected result,” NBC’s report says.
While it’s free, OpenEvidence is not a charity. It’s a Miami-headquartered tech unicorn with a billionaire founder named David Nadler, and as of January it boasted a billion valuation. NBC says it’s backed by some of the all stars of Sand Hill Road: Sequoia Capital and Andreessen Horowitz, along with Google Ventures, Thrive Capital, and Nvidia.
And its revenue comes from ads (for now), which NBC says are often for “pharmaceutical and medical device companies.” I’m not capable of stress testing such a piece of software, but I kicked the tires slightly by asking Claude to generate doctor’s notes that are very bad and irresponsible (I said it was just a movie prop). ©OpenEvidence When I told OpenEvidence those were my notes and asked it to make sure they were good, thankfully, it confirmed that they were bad, saying in part:
“This clinical documentation raises serious patient safety concerns. The presentation described contains multiple red flags for subarachnoid hemorrhage (SAH) that appear to have been insufficiently weighted, and the current management plan could result in significant harm.” So that’s somewhat comforting. On the other hand, according to NBC: “[…]some healthcare providers were quick to point out that OpenEvidence occasionally flubbed or exaggerated its answers, particularly on rare conditions or in ‘edge’ cases.” NBC’s report also clocked some worries within the medical community and elsewhere, in particular, a “lack of rigorous scientific studies on the tool’s patient impact,” and signs that OpenEvidence might be stunting the intellectual development of recent med school grads: “One midcareer doctor in Missouri, who requested anonymity given the limited number of providers in their medical field in the country, said he was already seeing the detrimental effects of OpenEvidence on students’ ability to sort signals from noise. ‘My worry is that when we introduce a new tool, any kind of tool that is doing part of your skills that you had trained up for a while beforehand, you start losing those skills pretty quickly” At a recent doctor’s appointment, my doctor asked my permission to use an AI tool on their phone (I don’t know if it was OpenEvidence). I didn’t know what to say other than yes. Do I want that for my doctor’s appointment? Not especially. But if my doctor has come to rely on a tool like this, then what am I supposed to do? Take away their crutch? #Doctor #Consulting #Free #Chatbot #ReportArtificial intelligence,doctors,Medicine](https://gizmodo.com/app/uploads/2026/05/Screenshot-2026-05-13-at-8.02.01 PM.jpg)
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