Jennifer Nalewicki

Jennifer Nalewicki

Live Science contributor

Articles by: Jennifer Nalewicki

An artist's illustration of a dimetrodon, which lived during the Permian Period.

UV radiation pulse played a role in a mass extinction event, fossilized pollen reveals

By Jennifer Nalewicki published

250 million-year-old pollen suggests radiation played a role in mass extinction event.

A close-up photo of Big Ben in London.

Pesky 'leap second' will be abolished by 2035

By Jennifer Nalewicki published

An international group of experts has voted to retire the leap second by 2035.

Iceberg A68a, one of the largest ever recorded icebergs, floating near South Georgia Island.

Massive Antarctic iceberg ripped in two by powerful ocean currents

By Jennifer Nalewicki published

Fractures in an Antarctic iceberg were likely caused by rapid changes in the currents that flow through the Southern Ocean.

An artist depiction close-up of the sun showing solar surface activity.

Surprise solar storm bashes Earth, with a second wave predicted for Monday

By Jennifer Nalewicki published

NOAA reported that a "moderate" solar storm struck Earth over the weekend, and another once could hit today.

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