Related topics: species

Cosmic rays reveal event in Earth's magnetic field history

41 000 years ago, the Earth's magnetic field faded and practically disappeared, leaving our planet unprotected from the bombardment of cosmic rays. Evidence for this event has been found in ocean sediment cores by a team ...

Deadly sea snake has a doppelganger

(Phys.org)—Scientists have discovered that the lethal beaked sea snake is actually two species with separate evolutions, which resulted in identical snakes.

Spacecraft capture solar eclipse's Earthly effect

A Japanese meteorology satellite captured the moving shadow from the total solar eclipse this week, and this animated series of images shows the shadow moving east-southeast across northeastern Australia and into the waters ...

Clouds part, solar eclipse darkens north Australia

From boats bobbing on the Great Barrier Reef, to hot air balloons hovering over the rainforest, and the hilltops and beaches in between, tens of thousands of scientists, tourists and amateur astronomers watched as the sun, ...

Naive fish easy targets for spear fishers

(Phys.org)—Big fish that have grown up in marine reserves do not seem to know enough to avoid fishers armed with spear guns waiting outside the reserve.

Clouds may ruin trip for eclipse fans in Australia

Tens of thousands of tourists, scientists and amateur astronomers who traveled from around the world to see a total solar eclipse in northern Australia may be getting shortchanged by the weather.

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