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Space and astronomy
After almost 22 years in orbit, Swift is expected to reenter Earth’s atmosphere around Wednesday, with the timing and location still uncertain. A NASA-backed effort to raise the observatory’s orbit was abandoned after its rescue spacecraft developed a control problem.
Space and astronomy
KCL-286, a drug initially developed for spinal cord injuries, reduced DNA damage and inflammation in a mouse model of Alzheimer’s disease. It has passed initial human safety testing, but its effectiveness against Alzheimer’s has not been tested in people.
Space and astronomy
SpaceX plans to stop selling Falcon 9 launches beyond 2028, raising concerns that Europe may lack enough capacity for its growing satellite programmes. Ariane 6 and other launchers will be key to meeting demand.
Space and astronomy
Evidence from the Barnes Ice Cap in Canada suggests it began expanding about 2,000 years ago, before summer temperatures caused it to retreat from around 1960.