The Largest Hot Desert When imagining the vastness of the world, the Sahara Desert often stands out. 2 million square kilometers, it ranks as the largest hot desert on our planet. To give you a ...

Desert storms can carry mile-high dust clouds over thousands of miles. In 2013, a sandstorm originating in the Gobi Desert in China traveled over 6,000 miles across the Pacific to California.

The African dust approaching the United States this week raises many questions. A meteorologist explains what you need to know about its effects, risks and benefits.

5 fun facts about evolution. The last common ancestor of all life on Earth is estimated to have existed around 4.2 billion years ago.; There are three ingredients necessary for natural selection ...

If all goes according to plan, the anticipated development timeline for the ELT will see the telescope's secondary mirror (M2) completed in 2025. The 14-foot (4.25-meter) mirror — the largest ...