A bold new effort to prevent one of NASA’s renowned space observatories from falling back to Earth is now underway. If it succeeds, the mission will become the first commercial robotic operation to capture and service an uncrewed NASA spacecraft that was never designed for in-orbit maintenance, according to the agency. Without action, the Neil Gehrels Swift Observatory would slip below a critical orbital altitude this month due to atmospheric drag intensified by recent solar activity. For

Warning: This story contains descriptions of abuse An investigation by BBC Eye has found that Instagram has been displaying paid advertisements in India that promote child sexual abuse material. The adverts, reviewed by the BBC World Service, included phrases such as “rape video” and “child video” and directed users to channels on the messaging platform Telegram, where the illegal material was offered for sale for as little as 99 rupees (around 80p). Within hours of the investigation being