A study led by Michael Rawlins at UMass Amherst reveals Arctic permafrost thaw is releasing ancient carbon, boosting dissolved organic carbon in rivers and oceans. Rising temperatures extend thawing seasons, intensifying global warming feedbacks as the Arctic, warming 3-4 times faster than the globe, becomes a major carbon emitter.

A 500-million-year-old Utah fossil, *Megachelicerax cousteaui*, extends chelicerate origins by 20 million years to the Cambrian Explosion, reshaping understanding of early arthropod evolution. Named after Jacques-Yves Cousteau, the find highlights preserved anatomical details and underscores the value of long-term fossil curation.

MIT engineers transformed muscle tissue into fatigue-resistant, computer-controlled motors to restore function to paralyzed organs, with rodent trials showing 260% increased endurance. The technology could revive intestinal movement and enable tactile feedback in virtual reality, advancing biohybrid medical solutions.

Artemis II astronauts achieved the first human journey beyond Earth’s orbit since the 1970s, launching April 1, 2026, to test systems for lunar landings and Mars exploration. The mission’s success marks a critical step toward sustained lunar presence and international collaboration in deep-space exploration.

Yunnan fossils reveal complex life existed 539 million years ago, predating the Cambrian Explosion. Soft-bodied organisms with bilateral symmetry and muscle tissue challenge the notion of a sudden evolutionary burst, suggesting a gradual process. Published in *Science*, the study by Li and Wang highlights Ediacaran diversification, reshaping evolutionary timelines.

New fossils in Yunnan, China, reveal complex animal evolution 15 million years before the Cambrian explosion, challenging long-held timelines. Over 700 specimens, including bilaterians and early deuterostomes, suggest a gradual Ediacaran transition, reshaping understanding of early animal diversification.

Forensic scientist Henry Lee, whose testimony in the O.J. Simpson trial reshaped forensic evidence perception, dies at 87. A global expert in crime scene analysis, Lee's work influenced criminal investigations worldwide, despite controversies over his methods and ethics.

NASA’s Artemis II mission launches April 1, 2026, with four astronauts, including firsts for race, gender, and nationality, to test deep-space systems for lunar and Martian exploration. The 10-day lunar flyby will validate the SLS rocket and Orion spacecraft, addressing heat shield and radiation challenges for future crewed missions.

Texas schools ordered to remove Cesar Chavez from lessons over alleged misconduct claims, citing legal provisions to avoid teaching controversial figures. The TEA’s directive sparks debate on historical accuracy versus ethical scrutiny in education.

WMO declares 2025 and preceding 11 years as warmest on record, with global temps 1.44°C above pre-industrial levels. Extreme weather, including record hurricanes and floods, underscores accelerating climate change, intensifying global policy debates ahead of COP30.