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Milky Way Punier Than We Thought

The Milky Way looks less hefty, but just as beautiful as ever, this summer.

Defining Paradise

People have different definitions of paradise, but they always know it when they find it. Aaron Teasdale and his family learn about surfing and conservation in Popoyo, Nicaragua.

“Killer Sperm” Found, Prevents Worms From Cross-Breeding

In the first identified case of “killer sperm,” females that mate with males of another species can become sterile or even die, a new study says.

Extramural Activities: Paint and Fossils

Emily Hughes brings us tales of adventure and discovery from the Australian Outback as she and her mother search for unbelievably ancient fossils. Paleontologists learn to do more than just paleontology when necessary; for them, useful skills can include making murals.

101 Geysers Spotted Erupting From Saturn Moon

NASA’s Cassini spacecraft team have numbered the plumes of Saturn’s moon, Enceladus.

July 27, 2014 Radio Show: Curing Cancer, Spending Summer Nights With Fireflies and More

This week on National Geographic Weekend, join host Boyd Matson and his guests as they invent a cheap cancer detection system, scour the earth’s poles for adventure, ingratiate themselves with a cheetah family, give the facts on fireflies, conjure life from the fangs of a viper, feed Africa from Africa, roadtrip across the United States in comfort, and photograph National Geographic’s past.

4 Sky Events This Week: Cosmic Dumbbell and Lunar Lineup

Moonless nights bring deep sky delights for skywatchers this week.

B is for Boma, K is for Kraal

I’m just south of the Zambezi river, in the Caprivi, the long eastern panhandle of Namibia that stretches from the Okavango River to Victoria falls. Angola and Zambia are only 40 miles away to the north, Botswana 10 to the south, and Zimbabwe less than 150 to the east. It’s certainly Africa’s most geographically complicated…

Family Strife

Mushara Waterhole, Etosha National Park, Namibia – Sunset began with a visit from Paula and Nadia and their fraction of the Athlete family. We saw them break the clearing from the southwest, and I rushed to get two of my volunteers out on their bunker observation rotation, but we were too late. They were coming in fast.

Expedition to the Land of Ice Bears

It was almost at the exact moment of the northern solstice that we boarded the National Geographic Explorer for a week-long expedition to the Arctic archipelago of Svalbard–the time of year when the sun reaches the highest point in the sky as seen from the North Pole. We were in the land of the midnight sun, and we would not see the darkness of night for the entire time we were there.

Ozzie on Fire Again

Mushara Waterhole, Etosha National Park, Namibia – Ozzie was on fire again Thursday, parting a sea of 14 bulls with his parade of musthy pomp until he reached his target—Mike. Mike is one of the largest bulls in our study population, and also one of the least aggressive. Why was he the focus of the young…

Robert Redford celebrates water flowing in the Colorado River Delta

(July 25, 2014)  Today is Colorado River Day. Spend a few minutes with Robert Redford as he narrates a new video from Raise the River documenting the historic 2014 pulse flow release of water into the Colorado River Delta, where the river had been largely absent for the past 50 years.  The river flowed, birds sang, and people came…

The Fall and Rise of the Amphibian Empire

In 1970, a group of experts on frogs, toads, salamanders, and caecilians noticed that populations of the Yosemite Park Toad in California had suddenly crashed. The habitat was suitable, there seemed to be nothing wrong but their numbers had crashed to very low levels. People scratched their heads and thought of it as just one…

Watch What Could Be This Summer’s Best Meteor Shower

A July meteor shower promises a chance to catch a shooting star.

Genographic Project DNA Results Reveal Details of Puerto Rican History

DNA analysis of living inhabitants of Puerto Rico sheds light on the island’s colonial history.