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Rare 'sungrazer' comet MAPS could appear brighter than ever on Saturday: What to know - By - Jamie Carter - published - 3 April 26 - Comet C/2026 A1 (MAPS) could shine brightly in the evenings after April 4, but only if it survives a very close encounter with the sun.

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IBM quantum processor achieves highest fidelity calculations for the longest period of time on record - By - Tristan Greene - published - 3 April 26 - Scientists have developed a novel approach to error correction that resulted in the highest-ever fidelity of entangled, logical qubits on a superconducting quantum processor.

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New tweak to Einstein's relativity could transform our understanding of the Big Bang - By - Andrey Feldman - published - 3 April 26 - A new physics paper proposes modifications to Einstein's theory of relativity that could solve one of the biggest issues about our understanding of the Big Bang.

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Physics & Mathematics

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Artemis II officially leaves Earth's orbit on the way to the moon - By - Kenna Hughes-Castleberry - published - 3 April 26 - With a successful translunar injection burn, NASA's Artemis II mission stopped circling Earth and began the first crewed journey toward the moon since the Apollo era.

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In photos: Artemis II's historic launch for the moon - By - Ben Turner - published - 2 April 26 - Millions watched on April 1 as the Artemis II mission sent humans back to the moon for the first time since 1972. Here's the day in pictures.

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Ancient children's teeth reveal a syphilis-like disease was spreading in Vietnam 4,000 years ago - By - Sandee Oster - published - 2 April 26 - Remains from three Stone Age children in Vietnam may challenge long-standing ideas about the origin of syphilis, scientists say.

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Chinese satellite with robotic 'octopus arm' passes key refueling test in orbit - making longer-lived space assets more likely - By - Harry Baker - published - 2 April 26 - The experimental Hukeda-2 satellite and its highly flexible robotic arm have passed a major refuelling test in low Earth orbit. The demonstration is the latest step toward China significantly expanding the longevity of its spacecraft.

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'Not how you build a digital mind': How reasoning failures are preventing AI models from achieving human-level intelligence - By - Owen Hughes - published - 2 April 26 - Existing LLM architecture may not support the problem-solving capabilities needed to underpin human-level AI, the authors of a new study argue.

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Scientists cured type 1 diabetes in mice by creating a blended immune system - By - Tia Ghose - published - 2 April 26 - By creating a hybrid immune system between the recipient and the donor, researchers were able to transplant insulin-producing cells that were not rejected.

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Native Americans invented dice and games of chance more than 12,000 years ago, archaeological study reveals - By - Kristina Killgrove - published - 2 April 26 - A new study shows that dice and games of chance date back thousands of years earlier than experts previously thought.

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'We go for all of humanity': Artemis II rocket lifts off to the moon - look back at our live coverage - By - Ben Turner, Patrick Pester, Brandon Specktor, Harry Baker, Kenna Hughes-Castleberry - last updated - 1 April 26 - Live Blog - The Artemis II crew have left Earth and are bound for the moon. Take a look back at our live blog's launch coverage from the days, hours and seconds until takeoff.

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Artemis II blasts off: Humans are on their way back to the moon - By - Patrick Pester - published - 1 April 26 - NASA's Artemis II rocket has taken off in a historic launch on Florida's Space Coast, sending humans back to the moon for the first time in more than 50 years.

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Astronauts can face 'nearly lethal doses' of solar radiation - so why launch Artemis II during the sun's peak of activity? Space scientist Patricia Reiff explains. By - Patrick Pester - published - 1 April 26 - NASA's Artemis II flight around the moon will expose astronauts to space weather. Space scientist Patricia Reiff tells Live Science how solar flares and radiation will impact the lunar mission.

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