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5 Sky Events This Week: Mars Buzzes Beehive, Venus Grazes Moon

Sky-watching in September starts off with ghostly cosmic glows and stunning close encounters between bright planets and stars. Zodiacal Lights. Starting on Tuesday, Sept.3, with a near moonless sky in the pre-dawn hours, the next two weeks mark the best chance for Northern Hemisphere observers to catch the elusive glow of the zodiacal lights. Far…

6 Sky Events This Week: Moon Dances, Seven Sisters, Bull’s Eye

  As one month gives way to another, planets, stars and meteors light up the night sky this week. Moon and the Seven Sisters. Near local midnight on Monday, August 26, then again the following night, watch the low eastern horizon for a rising moon parked near the famous Pleiades star cluster in the constellation…

4 Sky Events This Week: Ice Giants and Celestial Fishes

This week the moon helps sky-watchers catch some celestial fish and trawl the night sky for the most distant worlds in our solar system.  Mars and Gemini Twins. At dawn on Tuesday, August 20, look for ruddy-colored Mars forming a picturesque arc formation with the bright stars Pollux and Castor from the Gemini constellation. The…

August 11, 2013: Holding our Breath in Underwater Caves, Biking Across Kyrgyzstan Mountains, and More

Join us this week, as we explore the labyrinth of underwater caves deep under Mexico’s Yucatan Peninsula for clues of its Mayan past, cycle solo through Central Asian mountain passes to climb remote peaks, and debunk American historical myths from the Wild West to the Surfin’ Safari.

6 Sky Events This Week: Perseids Peak, Cosmic Triangle and Rising Mars

This week, skywatchers will be spoiled with jam-packed skies: meteors raining down, a moon-planet-star triangle and a large asteroid flyby. Meteor Shower Peaks. The year’s best-known celestial event officially peaks at 6 p.m. GMT Monday, August 12, when the Perseid meteor shower will produce anywhere from 20 to 80 shooting stars per hour, depending on…

Strange Mars Craters Created By Ice?

A four-decade long Martian mystery surrounding the origins of double-rimmed craters may have been cracked. New research suggests that their strange spill patterns seen around some impact sites on Mars may be directly linked to giant ice sheets that could have blanketed the Red Planet sometime in its ancient past. (Related: Ancient Mars Was Snowy,…

Celebrating NASA’s Curiosity’s First Birthday (Live!)

The drama for Curiosity began with so-called “the seven minutes of terror,” landing operation that involved rocket burns to slow down Curiosity from its 13,000 mph (21,000 km per hour) interplanetary cruising speed to a harrowing sky crane maneuver that allowed the rover to be gingerly lowered to the surface. (Read: “Top 5 First Year…

July 28, 2013: Riding Horseback From Canada To Brazil, Walking Silently For 17 Years, and More

This week, we ride from Calgary to Brazil, relying on the kindness of strangers, then we forego motorized vehicles for 22 years while maintaining a vow of silence, and finally, we get some hiking tips from the best hiker in the world.

Top 10 Headlines Today: Bat X-Rays, Corpse-Eating Fly…

The top stories on National Geographic’s radar today: An x-ray video reveals the secret behind bat’s ability for flight, a corpse-eating fly is back from the dead after being thought extinct, and …

July 7, 2013: Falling 1,000 Feet off The Andes, Saving The Great Barrier Reef, and More

Join National Geographic Weekend radio this week, as we survive a 1,000 foot fall from the Bolivian Andes, then we explore Mars with NASA’S Curiosity Rover, and finally, we team up with Afghanistan’s national cycling team to provide opportunity (and bikes) for women.

5 Sky Events This Week: Venus Buzzes Beehive, Morning Return of Mars

Early evening and mornings this first week of July offer up some celestial close encounters that may test your stargazing skills–but they promise great rewards. Pluto best for 2013. After nightfall on Monday, July 1 Pluto will be at “opposition,” meaning that it’s opposite to the Sun in the sky. And that means the dwarf…

Top 10 Headlines Today: New Language Found, Interactive Mars Panorama

The top stories on National Geographic’s radar today: A new language has been discovered in Australia, the Curiosity rover has delivered a new billion-pixel panorama from Mars, and…

Top 10 Headlines Today: Albino Gorilla Mystery, Mars Meteorite Discovery…

The top 10 stories on our radar today: Inbreeding led to rare albino gorilla, a Martian meteorite found in Antarctica may contain building blocks for life, and…

Mysterious Martian Grooves Carved by Dry Ice Chunks?

Mysterious grooves carved into the slopes of giant Martian sand dunes may be generated by gliding chunks of dry ice, NASA said this week.

Top 10 Headlines Today: Our New Body Part, Harmful Birdsong Apps…

The top 10 stories on our radar today: Researchers have identified a previously unknown layer in human eyes, mobile phone apps that mimic birdsongs may harm birds, and…