Could Earth be home to a trillion people, or even more? We'll explore if we can do this with current technology, what future ...

Ever since the term “Snowball Earth” was first proposed in a 1992 paper, it has prompted substantial debate among scientists.

This study presents the first physical evidence that Snowball Earth reached the heart of continents at the equator.' ...

which trap heat near Earth's surface. Without these greenhouse gases the planet would be a frozen ball of rock largely unable ...

But even these mega-storms are nothing compared to Jupiter's Great Red Spot (GRS). Around the width of Earth, with winds of ...

Much of the knowledge about Uranus was gleaned when NASA's robotic spacecraft Voyager 2 conducted a five-day flyby in 1986 ...

Geologists have uncovered strong evidence from Colorado that massive glaciers covered Earth down to the equator hundreds of ...

In 1781, German-born British astronomer William Herschel made Uranus the first planet discovered with the aid of a telescope.

Why does Jupiter look like it has a surface – even though it doesn’t have one? – Sejal, age 7, Bangalore, India ...

Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a ...

Less than 0.1 percent of the Earth’s atmosphere is carbon dioxide, yet this small amount of gas supports the vital process of ...