Mars once had wet-dry climate conducive to supporting life: Study

NASA's Curiosity rover has discovered the first evidence that Mars once had a climate which alternated between wet and dry seasons similar to Earth, a study said on Wednesday, suggesting the red planet may have once had the ...

Hormone alters electric fish's signal-canceling trick

During the rainy breeding season, the underwater "conversation" among electric fish changes. Fish revved up to make a match broadcast slightly different signals to advertise their presence and identify compatible mates.

Storm Antoni: Why naming storms is a risky business

Since 2015, the UK's Met Office has used forenames to label storms, as a strategy for improving people's awareness of severe weather warnings. The list of names for the 2023 storm season was compiled in conjunction with the ...

Listening in on endangered Amazon River dolphins

Monitoring echolocation clicks could be used to track the movements of two endangered freshwater dolphin species that inhabit inaccessible parts of the Amazon Basin—the boto (or pink river dolphin) and the tucuxi—and ...

Arctic terns may navigate climate dangers

Arctic terns—which fly on the longest migrations of any animal on Earth—may be able to navigate the dangers posed by climate change, new research suggests.

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