How red tide knocks out its competition

New research reveals how the algae behind red tide thoroughly disables – but doesn't kill – other species of algae. The study shows how chemical signaling between algae can trigger big changes in the marine ecosystem.

Florida is 'Ground Zero' for sea level rise

Warm sunshine and sandy beaches make south Florida and its crown city, Miami, a haven for tourists, but the area is increasingly endangered by sea level rise, experts said Tuesday.

What are tidal bores?

Surfers and spectators gathered along the Severn Bore in Gloucestershire, England, in recent days to take advantage of the tidal wave that swept upstream. What's known as a tidal bore – a wave of up to 2.8 metres – came ...

Mars water-ice clouds are key to odd thermal rhythm

(Phys.org) —Researchers using NASA's Mars Reconnaissance Orbiter have found that temperatures in the Martian atmosphere regularly rise and fall not just once each day, but twice.

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