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Scientists detected a potential biosignature on Mars – an astrobiologist explains what these traces of life are, and how researchers figure out their source

  • Written by Amy J. Williams, Assistant Professor of Geology, University of Florida
Scientists detected a potential biosignature on Mars – an astrobiologist explains what these traces of life are, and how researchers figure out their sourceNASA’s Perseverance rover explores Mars' Jezero Crater.NASA/JPL-Caltech/MSSS, CC BY-NC

As the Perseverance rover traversed an ancient river valley in Mars’ Jezero Crater back in July 2024, it drilled into the surface and extracted a sample from of a unique, striped rock called Chevaya Falls. The rover’s instruments then analyzed...

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  2. ‘Publish or perish’ evolutionary pressures shape scientific publishing, for better and worse
  3. Beauty sleep isn’t a myth – a sleep medicine expert explains how rest keeps your skin healthy and youthful
  4. Proposed cuts to NIH funding would have ripple effects on research that could hamper the US for decades
  5. Social scientists have long found women tend to be more religious than men – but Gen Z may show a shift
  6. Fewer international students are coming to the US, costing universities and communities that benefit from these visitors
  7. Bolsonaro joins a rogues’ gallery of coup plotters held to account for their failed power grab
  8. ‘This will not end here’: A scholar explains why Charlie Kirk’s killing could embolden political violence
  9. Detroit is the most challenging place in the country for people with asthma − here’s how to help kids in the Motor City breathe easier
  10. Who was Charlie Kirk? The activist who turned campus politics into national influence

Magazine

Diplomasi FOMO Prabowo: Simbolis, reaktif, berisiko mengancam legitimasi

Presiden Prabowo Subianto menghadiri BRICS Leaders Virtual Meeting dari kediaman pribadinya di Kertanegara, Jakarta Selatan, pada Senin, 8 September 2025.Cahyo/Biro Pers Sekretariat Presiden, CC BY ...

Anak ikut demo: Peran negara dalam memfasilitasi dan melindungi aksi protes

(David Wadie Fisher-Freberg/Wikimedia Commons), CC BY● Banyak anak dalam demonstrasi menjadi korban kekerasan dan penyimpangan hukum.● Demonstrasi bukanlah ruang aman, tapi larangan justru...

Bagaimana revisi KUHAP bisa memperparah pelemahan KPK

(Arraihansyah/Shutterstock)● Revisi KUHAP menjadikan penyidik KPK di bawah kendali polisi, tak lagi independen.● Upaya paksa seperti penyelidikan hingga penyadapan dalam revisi KUHAP membu...