News tagged with density

Choosy Amphipods

Amphipods of the species Gammarus roeselii guard their chosen mates, often carrying them with them for days and defending them against potential rivals. This behaviour requires a lot of time and energy, so that the males ...

dateFeb 07, 2019 in Plants & Animals
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Saturn hasn't always had rings

One of the last acts of NASA's Cassini spacecraft before its death plunge into Saturn's hydrogen and helium atmosphere was to coast between the planet and its rings and let them tug it around, essentially acting as a gravity ...

dateJan 17, 2019 in Space Exploration
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