A rare total cloud inversion
Watch a sea of clouds moving through Grand Canyon.
The National Park Service has released this stunning time-lapse video of two scenes from the Grand Canyon National Pa...
A flipped iceberg shows its true colours
All icebergs aren’t white after all.
An iceberg in the waters off Antarctica shows its true blue colours and one in more familiar garb. Alex Cornell Iceb...
Rare video of lava hitting the ocean
A graphic illustration of how volcanoes create new land.
Hat tip to Andrew Sullivan on The Dish for linking to this wonderful footage of lava cooling as it hits the ocean off...
Descent into Siberia's mystery crater
What caused these curious sinkholes?
Aliens, government conspiracies, meteorites, missile explosions, or even an elaborate prank – these were some of the ...
How the Earth's tectonic plates began to move
Process has been a mystery, until now.
The Earth's tectonic plates began to move thanks to the eruption of continents that pushed them apart, scientists at ...
Why are there two tides a day?
In most places on Earth, there are two high tides each day.
It’s early January, and the Sun is blazing. Sweltering in the hottest week of the past 100 years, temperatures well a...
Man-made earthquakes cause seismic rumblings
Human activities like mining and fracking can cause temblors.
Sparks, Oklahoma, isn’t a place where you would expect a big earthquake. It’s prairie country, smack-dab in the middl...
Why is the sky blue?
It’s a question that only leads to more questions.
Why is the sky blue? It is a question that, in true Sumner Miller fashion, leads to many more: What is light? What is...