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Are we in a sixth mass extinction?

This short video puts modern extinctions in context by comparing them with Earth’s 5 previous mass extinctions.

Image via rapgenius.com

Today in science: E=mc2

Mass and energy are interchangeable.


New theory on why time advances

Why does time flow inexorably toward the future? A Berkeley physicist proposes that time is expanding because space is expanding.

Neptune via NASA, Voyager 2.

Today in science: Discovery of Neptune

Neptune is the planet discovered with mathematics.


A Chinese perspective on autumn

Autumn is connected in Chinese thought with the direction west, considered to be the direction of dreams and visions.

Michael Faraday via 5minutebiographies.

Today in science: Michael Faraday

Meet Michael Faraday, the man behind the electric motor and theory of electromagnetism.

Image via NASA

Satellite sees 3 California wildfires

There were more than a dozen wildfires burning in California, as of September 20.

The feeling isn’t mutual. Image via caruba/Flickr

Lifeform of the week: Rats

The secret life of urban rats.

A Livingston Parish deputy sheriff surveys flood damage from a boat on August 15, 2016.  Image courtesy of Rapides County Sheriff's Office

Climate change’s role in Louisiana floods

After a rapid assessment, scientists have concluded that climate change increased chances of the August record rains in Louisiana by at least 40%.

he HI-SEAS mission gives people a chance to practise on Earth what life would be like on Mars. A crew member here from the 2015 mission.  Image via Flickr/University of Hawaii/HI-SEAS

After a year on (simulated) Mars

A week ago, a test crew emerged after living for a year in Mars-like conditions inside a solar-powered dome on the slopes of Hawaii’s Mauna Loa volcano.