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This short video puts modern extinctions in context by comparing them with Earth’s 5 previous mass extinctions.
Mass and energy are interchangeable.
Why does time flow inexorably toward the future? A Berkeley physicist proposes that time is expanding because space is expanding.
Neptune is the planet discovered with mathematics.
Autumn is connected in Chinese thought with the direction west, considered to be the direction of dreams and visions.
Meet Michael Faraday, the man behind the electric motor and theory of electromagnetism.
There were more than a dozen wildfires burning in California, as of September 20.
The secret life of urban rats.
After a rapid assessment, scientists have concluded that climate change increased chances of the August record rains in Louisiana by at least 40%.
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.
Mars’ perihelion is in late October
Orionid meteor in moonlight