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See Mars Map Landmarks for Yourself

A new Mars map makes a visual trip to the red planet possible for stargazers.

4 Sky Events This Week: Ringed Jewel and Cat’s Eye Sparkle

A Cat’s Eye stares back at skywatchers in this week’s star gazing showcase.

5 Sky Events This Week: Rare Celestial Shadow Dance and Leo Paws at the Moon

A brightening comet, Jupiter’s moons and a rendezvous with Mars fill out another exciting week in skywatching.

5 Sky Events This Week: Jovian Shadows, Lunar X, and Lord of the Rings

Sky-watchers keeping an eye on the moon may spot a special lunar landmark this week, while Saturn, the magnificent ringed planet, appears at its best for 2014. Jovian moon shadows. On Monday, May 5, look for Jupiter, the giant planet, to hang low in the western horizon at night. High magnification through small backyard telescopes…

5 Sky Events This Week: Full Lunar Eclipse and Lord of the Rings

This is a big week even for the most amateur of sky-watchers, with a rare full lunar eclipse and Mars getting as close as it ever does to Earth. Moon shadow play. The moon will appear to be orange-red late Monday night and early Tuesday morning as it undergoes a total eclipse, the first visible…

5 Sky Events This Week: Lunar Wall, Mars Up-Close, and a Blue Giant

Fantastic fault lines and planetary close encounters this week offer sky-watchers some impressive cosmic views of the heavens. The lunar wall. The first quarter moon, which comes into view on Monday, April 7, offers the best moment this month to view, in small telescopes, an amazing lunar feature called the lunar wall, or Rupes Recta (sometimes called the…

March 30, 2014: Skiing Everest, Mission Blue, Search for Michael Rockefeller, Violent Animal Reproduction, and More

Join radio host Boyd Matson every week for adventure, conservation and green science. This week his guests try to solve the mystery of the disappearance of Michael Rockefeller, figure out if Mother Nature is really trying to kill you, ski off the seven summits including Everest, look inside the city of Damascus during the Syrian War, dive into Mission Blue with Sylvia Earle, look at how much food we waste each year, take a walk on the surface of Mars, and find out what we should pack on a camping trip.

Powerful Jets From Mars-Bound Comet Spied by Hubble

After lurking in the outer reaches of the solar system for the past one million years, a comet is heading for a close encounter with Mars. The Hubble Space Telescope is keeping tabs on the icy interloper, seen in just-released images. Comet C/2013 A1 (Siding Spring), which now lies some 353 million miles (568 million…

First Person: What I’m Learning on a Simulated Mars Mission

By Jim Urquhart for National Geographic “Mars has been flown by, orbited, smacked into, radar examined, and rocketed onto, as well as bounced upon, rolled over, shoveled, drilled into, baked, and even blasted. Still to come: Mars being stepped on.”—Buzz Aldrin In a remote stretch of Utah desert, five scientific researchers and one journalist, myself, came together this month…

4 Sky Events This Week: Ghostly Glows and Rocky Worlds

Ethereal apparitions from the dusty inner solar system this week seem certain to delight sky-watchers.  Zodiacal lights. Starting Monday, March 24, and continuing through the week, keen-eyed sky-watchers in the mid-northern latitudes will witness the ghostly glow of the zodiacal lights, which will appear about one to two hours after local dusk in the western sky.…

5 Sky Events This Week: Moon Joins God of War While Leo’s Heart Winks Out

Sky-watchers can rejoice at the change of seasons this week, seeing the moon join forces with Mars and Saturn, just as one of the sky’s most brilliant stars is eclipsed. Moon joins Spica. Late at night on Monday, March 17, look for the waning gibbous moon to rise in the eastern sky with two bright celestial…

Hangout With an Astronaut: Ask Your Questions

Since the year of mankind’s inaugural trip to space in 1961, 341 people have crossed the celestial borders of outer space. These new-age navigators represent the pinnacle of human achievement. What is it about their daring voyages that elicit wonderment in those watching from Earth? Becoming an astronaut is a difficult, but not impossible dream. Join us for our next Google+ Hangout to discover one astronaut’s path to becoming a crew member on the International Space Station.

5 Sky Events of the Week: Stellar Peak-a-Boo and Leo Paws at the Moon

With a change of seasons only days away, mid-March skies offer celestial sights that even the novice stargazer will find easy to enjoy. Lunar rectangle. After nightfall on Monday, March 10, look for the waxing gibbous moon to form a corner of a rectangle with Jupiter and the Gemini twins, Castor and Pollux, high in the southern…

Awesome First Snapshot of Earth From Curiosity Rover

Not much more than just a few pixels on the photo above, that bright dot in the twilight Martian sky is Earth, as seen by NASA’s Mars Curiosity rover. A first view of the rover’s picture of its home planet, taken from the surface of Mars, even shows Earth’s moon. And while NASA engineers say…

6 Sky Events This Week: Cosmic Outburst, Asteroid Flyby, Buzzing Beehive

From exploding stars, barnstorming asteroids, and a buzzing beehive, the starry skies this week are filled with cosmic wonders to behold. Supernova Update: A surprise star exploded in a spiral galaxy 12 million light years from Earth and appears to be slowly brightening in the evening skies. The Cigar Galaxy or Messier 82 is host…