In January 2016 in Kenya, the conditions were just right for an outbreak of Rift Valley fever. A strong El Niño on the other side of the world had brought higher temperatures and a wetter-than-normal ...

On Thursday, August 28 th, I was able to watch AV-6 take off from Wallops Flight Facility. The black plane that you can see in the linked video is flown as an added safety precaution as it follows the ...

Hurricane season in the North Atlantic Ocean officially began on June 1, though the season typically peaks in September. Through August 1, 2011, four tropical storms had developed in the Atlantic ...

In 400 BC, the renowned Greek physician Hippocrates offered the earliest known account of a seasonal respiratory disease. The “Cough of Perinthus” was a winter affliction that hit a port city in ...

It measures about half the size of a football field and it is so small that you cannot see it on Google maps. This barren bit of rock off the coast of Canada has an unusual namesake: the Landsat 1 ...

Over the years, astronauts aboard the orbiting laboratory have snapped spectacular photographs of Earth’s snow and ice in both hemispheres.

McMurdo (Antarctica), 14 January — Delayed flights seem to be the rule this season. Our flight to Christchurch was cancelled late Thursday night because of expected bad weather here. On the next try, ...

The traditional people of Siberia’s Evenkiyskiy Region survived in the harsh, wild land by being finely attuned to clues of Nature’s mood. To these people who survived as reindeer herders, hunters, ...

I still can’t believe we are here! It’s amazing, having a bed and hot water. And fine food, too! Our dinner last night was bread and butter. We haven’t had bread or butter in so long—how wonderful it ...

It is a quiet day here on the Kochechum River. We broke camp this morning, packed all our gear into the boats and headed down river. Our mission of the day was to locate the areas where the ...

Today the scientists spent their first full day in the wilderness studying the forest ecology of the mountain near camp. To get to the top, they had to push through thick underbrush and hike over ...

Today the rain fell hard and steady. Taking measurements of trees is tough work under any conditions, but rain adds challenges. It’s tiring to walk through heavy, wet underbrush. Rocky footing turns ...