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See the Spring Triangle and Saturn tonight

The Spring Triangle stretches across the eastern sky around 10 p.m. last night. It's formed by the star Arcturus (upper left), Saturn (top right) and Spica (below Saturn). Photo: Bob King I’m not the...

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Bitter winter weather conjures visions of Saturn’s moon Titan

Saturn’s moons Titan (larger) and Rhea area a study in contrasts. Rhea is icy, airless, crater-gouged and 950 miles across. Titan is 3,200 miles in diameter (about half again as big as our moon) and...

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Mars-approaching comet may alter Indian space mission plans

Artists illustration of the Indian Mars orbiter Mangalyaan. Credit: ISRO Call it an unfortunate coincidence. Indian scientists are concerned their Mars probe may arrive about the same time a comet...

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Noctilucent clouds – silver-blue spirits of the night and how to see them

Noctilucent Clouds reflected in the big bog in Soomaa National Park in Estonia. Credit: Martin Koitmäe Every clear night in late spring and early summer, I make sure to check the northern horizon for...

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Even you can find cool, blue Neptune – here’s how

Earth and Neptune compared. Through the telescope, Neptune looks like a bright blue-colored dot. Voyager 2 photo. Credit: NASA Point a laser at the planet Neptune tonight and it’ll take 4 hours for the...

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Earthquake gives birth to brand new island off Pakistan coast

Satellite view of the new island raised from the sea bed near the city of Gwardar, Pakistan in the wake of the recent earthquake. Image at right shows the scene in April before the island’s creation....

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India successfully launches its first mission to Mars today

The four-stage Polar Launch Satellite Vehicle carrying India’s Mars Craft takes off earlier today 60 miles north of Chennai in southeastern India. Credit: ISRO In a feat showcasing both technology and...

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Titan, a place to stretch your wings and fly

Saturn’s largest moon Titan slowly covers smaller Tethys with its prominent Odysseus Crater in Nov. 2009. Credit: NASA/JPL-Caltech/Space Science Institute Feeling hemmed in by winter? Held back by...

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Who or what passed gas on Mars?

A photo taken today, December 19th, of sand dunes and rock outcrops around the Curiosity rover through the fisheye lens of one of its Hazard Avoidance Cameras. Colorized by the author. Credit:...

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New, Super Hi-Res Pluto Pix Will Make You Crazy with Wonder

Rounded and bizarrely textured mountains, informally named the Tartarus Dorsa, rise up along Pluto’s day-night terminator and show intricate but puzzling patterns of blue-gray ridges and reddish...

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What’s The Weather Like On Mars? Ask Curiosity

This evocative scene from inside Gale Crater was taken by Curiosity when the sun was near the horizon. Credit: NASA/JPL-Caltech Credit: NASA/JPL-Caltech Two full Mars years have passed since the...

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Meet The Methane-Soaked Canyons Of Titan

Saturn’s largest moon Titan has a thick, smoggy atmosphere rich in hydrocarbons from the breakdown of methane and is home to lakes and rivers of liquid methane, which are visible in this image as...

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ExoMars Mission Preps For Landing On Red Planet

Schiaparelli’s descent to Mars on October 19 / European Space Agency (ESA) Move over Curiosity and Opportunity and make room for a new arrival. In less than two weeks, a European probe will touch down...

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NASA Releases Cassini’s Final View Of Titan’s ‘Land O’ Lakes’

During NASA’s Cassini mission’s final distant encounter with Saturn’s giant moon Titan, the spacecraft captured this view of the moon’s north polar landscape of lakes and seas, which are filled with...

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