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Leopard-spotted deposits in fossilized mud on Mars may have been left behind by living organisms. But to be absolutely sure, we need to bring the samples down to Earth, researchers from DTU and NASA write in the scientific journal Nature. For five years, NASA's Mars rover Perseverance has been driving around the red planet with equipment from DTU on board.

When a research team reached the bottom of a deep-sea trench, they suddenly found themselves surrounded by thousands of unusual animals thriving in the cold, dark deep. "This shows how much more can be discovered when diving with a submersible and directly observing the seabed, rather than only bringing up samples 'blindly'," says deep-sea researcher Ronnie N. Glud, co-author of a new article published in Nature ( find it here ) .

ISOTOPES Medicines have a unique chemical fingerprint, according to a new study from the University of Copenhagen. Researchers say this knowledge can be used to trace counterfeit or stolen medicine. That's how many packages of illegal medicines EU agencies confiscated during an eight-month operation in 2024.