Mercury is tiny, barely bigger than the Moon. Its metallic core makes up 70% of the planet’s mass, vastly exceeding Earth’s ...

Unfortunately, many species of phytoplankton build shells and may struggle as the oceans relentlessly acidify. These ...

The aurora borealis is a spectacle of space weather, but solar flares and coronal mass ejections have far more Earthly ...

How did it go so horribly wrong, in 1986? And how did it destroy Back to the Future star Lea Thompson's career? This is why Howard the Duck failed.

Have you ever tried to picture a trillion dollars? Seriously, it’s a number so big it basically breaks your brain. If you had a stack of $100 bills, a billion dollars would be 68 miles high. A ...