Perseverance found 3.5‑billion‑year‑old mudstones dotted with mineral 'spots' that meet NASA criteria for potential biosignatures; confirming biological origin would require a sample return.
Excavation in Denizli province reveals pentagonal council building, carved cross and Chi‑Rho monogram; building dated to late 1st century B.C., age of the Christian markings remains uncertain
Study finds highly alkaline waste — not DDT — is producing white 'halos' and transforming local seafloor ecology around historic dump sites
Staff say the all-female clutch is likely the result of parthenogenesis, a rare asexual reproduction seen in some reptiles and other animals
Laboratory tests found unused surgical and filtered single-use masks shed plastic fibers and endocrine-disrupting chemicals, raising questions about long-term environmental and health impacts
Researchers say alcohol consumption, recent sexual activity and lack of sunscreen were linked to higher mosquito attraction in a 500-person field study
Astronomers report a reddened glow turning green and the development of a gas-rich coma; unusual metal and cyanide emissions prompt debate over cometary versus exotic explanations.
Georgia Tech researchers say urethra size and gravity produce a near-universal urination time; clinicians advise attention to changes in individual patterns
Research in the British Journal of Psychology shows voices, movement and smell combine with appearance to shape perceived attractiveness