In recent science news, a comet known as C/2026 A1 met its demise after a close approach to the sun on April 4, 2026. NASA captured stunning images of the comet breaking apart as it swung around the sun, marking its first and final flyby. Meanwhile, the nonprofit organization American Rivers has named the Potomac River the most endangered river in the United States. The river faces significant threats from sewage pollution, particularly following a major sewage leak in January, and from the rapid development of data centers in its vicinity. Currently, over 300 data centers operate in the Potomac River basin, which spans parts of Pennsylvania, Maryland, Virginia, West Virginia, and Washington, DC. The report highlights the need for infrastructure upgrades and environmental assessments before approving new developments. Additionally, the European Space Agency released new images showing changes in volcanic ash on Mars over the past 50 years, providing a rare glimpse into the planet's evolving landscape.