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A meteorite discovered in Mali’s Sahara Desert has been identified as one of the oldest pieces of Mars ever found on Earth, offering scientists a rare opportunity to study the planet’s early crust and its interaction with water more than four billion years ago.

NASA’s Swift space telescope is expected to reenter Earth’s atmosphere in the coming days, after a failed rescue mission left the aging observatory in a rapidly declining orbit. The US Space Force has predicted that the spacecraft could fall back to Earth around Friday, November 6, although the exact timing and location remain uncertain.

NASA has announced the four-member crew for SpaceX’s Crew-14 mission to the International Space Station, with the long-duration science mission scheduled to launch no earlier than spring 2027.

The 222-meter crater formed in 2024 but was only identified more than a year later, giving scientists a rare chance to study the effects of a recent major lunar impact.

NASA and IBM have launched an open-source artificial intelligence model designed to help scientists analyze the Moon’s surface, map craters and volcanic features, and identify areas where water ice could be stable.