Bright mirrors and a million satellites could wash out the night sky, so an ESO study caps safe orbits at 100,000 faint craft.

A ten-week course of one-to-one video coaching helped people with Covid brain fog return to work, with gains that held for six months.

Practice, not brain wiring, explains why your dominant hand controls tools and handwriting so much better through lifelong daily practice.

A genome study explains why the invasive water fern Salvinia molesta spreads so fast, offering new hope for its control.

Scientists uncovered how jellyfish heal wounds within minutes without leaving scars - a repair mechanism that could inspire new treatments.

New study finds the world's biggest cities may grow more slowly by 2100, reshaping forecasts for infrastructure and economic planning.

Rising CO2 helps plants conserve water, but a newly identified atmospheric feedback cancels much of that benefit.

Scientists tested wild animals killed on Brazilian roads and found a harmful fungus, Sporothrix, inside birds, mammals, and ...

A late Neanderthal group in Belgium and France stayed genetically healthy, with no inbreeding signs, just before vanishing.

A 300-million-year-old fish kept its fossilized brain, letting scientists read brain shape from skulls of similar ancient ...

Europe’s record-breaking heat wave was made far more likely by human-driven climate change, with deadly impacts already ...

An apple’s most useful part for digestion never gets absorbed. The soluble fiber called pectin travels the full length of the ...