Scientists ran a clever "what if" scenario and found that human-caused climate change actually started leaving detectable marks on the atmosphere way earlier than we thought—back when steam engines were still new tech. This isn't just about recent extreme weather; it suggests we've been reshaping the planet's climate for nearly 200 years.

Three workers died during June's brutal heat wave while federal safety officials were still deliberating over implementing the first-ever national heat protection standards for laborers. The deaths highlight the human cost of regulatory delays as climate change makes extreme heat more frequent and dangerous for outdoor workers.

Editor’s Note: This isn't just bureaucratic red tape—real people are losing their lives while protections stall. With heatwaves getting worse, the delay in setting clear safety rules puts millions of workers at risk, especially in construction, agriculture, and other outdoor jobs. It’s a stark reminder that climate change isn’t just about future threats; it’s already killing people today.

Scientists have discovered that certain bacteria naturally found in the human gut can absorb and accumulate PFAS—those notorious "forever chemicals" linked to health risks. Early tests in lab dishes and mice suggest these microbial strains might help mitigate PFAS buildup in the body, though more research is needed to see if this could lead to real-world solutions.

Editor’s Note: PFAS are everywhere—from nonstick pans to drinking water—and they stick around in our bodies for years, potentially causing harm. If gut bacteria can actually trap these chemicals, it could open doors to new ways of reducing exposure or even flushing them out. It’s a hopeful glimmer in the long fight against these persistent pollutants.

Scientists are grappling with a cosmic existential question: what happens to life when the sun eventually balloons into a red giant, engulfing inner planets and turning Earth into a scorched wasteland? While the event is billions of years away, the article explores whether any life—perhaps hardy microbes or future civilizations—could cling to survival in the outer solar system or beyond.

Editor’s Note: This isn’t just sci-fi speculation—it’s a real scientific puzzle that forces us to think about the limits of life and the ultimate fate of our solar system. Even if it’s a distant problem, understanding these cosmic timelines puts humanity’s place in the universe into perspective. Plus, it’s a reminder to enjoy that sunshine while it lasts.

Scientists have confirmed that adult brains can indeed generate new neurons, ending a long-standing debate in neuroscience. They’ve even identified the specific brain region where this happens—a major step toward understanding how our brains stay adaptable throughout life.

Scientists have cracked a long-standing puzzle by sequencing the first complete human genome from ancient Egypt—extracted from 4,800-year-old teeth. This breakthrough comes four decades after initial attempts to study mummy DNA failed, offering fresh insights into the lives of people who lived during the dawn of the pyramids.

This article dives into the real-world consequences of slashing Medicaid funding, highlighting how it disproportionately hurts vulnerable groups—like infants, seniors requiring long-term care, and rural residents. Research confirms Medicaid isn’t just a safety net; it actively improves health outcomes, and cutting it could leave millions without critical care.

Astronomers are buzzing about Comet 3I/ATLAS, a rare interstellar visitor speeding through our solar system. Unlike most comets, this one likely originated from another star system, making it a fascinating cosmic interloper. Researchers are scrambling to study its composition and trajectory before it vanishes into deep space.

A new analysis from four research firms warns that the GOP's "One Big Beautiful Bill Act" could actually increase U.S. greenhouse gas emissions, potentially derailing both national and international climate targets. It’s a sharp contrast to the bill’s name, suggesting the legislation might do more harm than good for the environment.