AmericaSpace Launch Countdown

Next Launch MMS on a Atlas V 421 rocket from Cape Canaveral AFB, FL
scheduled for:
13 Mar 15 2:44:00 GMT
12 Mar 15 22:44:00 EDT

Days
Hrs
Min
Sec
Click here for more details...

New Horizons Sends Back New Photos of Pluto on Clyde Tombaugh's Birthday

Two new images of Pluto and its largest moon Charon, taken on Jan. 25 and Jan. 27, 2015 by the New Horizons spacecraft. Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

As the New Horizons spacecraft continues speeding toward its rendezvous with Pluto this summer, it has just sent back new photos […]

Surprisingly Bright Cloud Systems and Extreme Storms on Uranus Puzzle Astronomers

Infrared images of Uranus at wavelengths of 1.6 (left) and 2.2 microns (right), that were obtained on Aug. 6, with the Adaptive Optics system on the 10-meter Keck II telescope on Mauna Kea in Hawaii. The white spot is an extremely large storm that was brighter than any feature ever recorded on the planet […]

Living On the Edge: In the Realm of the Ice Giants (Part 5)

An artist’s concept of Neptune as seen from the surface of its largest moon Triton. Could this distant cold moon harbor an underground habitat for life in the outer reaches of the Solar System approximately 4.5 billion km from the Sun? Image Credit: Wikipedia

“Four happy days bring in Another moon; but O, […]

Passing the Torch: Twenty-Five Years After Voyager 2, New Horizons Crosses Neptune's Orbit On Its Way to Pluto

Artist’s concept of the New Horizons spacecraft during its planned encounter with Pluto and its moon Charon in 14 July 2015. New Horizons has just completed a major milestone in its mission by crossing the orbit of Neptune on Aug. 25, exactly a quarter-of-a-century after Voyager 2 flew by the ice giant planet in […]

A Shrinking, Icy Moon: 25 Years Since Voyager 2's Mission to Neptune (Part 4)

Neptune and its large moon, Triton, as seen by Voyager 2, three days after closest approach. Photo Credit: NASA

Twenty-five years ago, this week, humanity braced itself for its last, first-time, close-up glimpse of a new planet in the 20th century. NASA’s Voyager 2 spacecraft, launched in August 1977, had already conducted a breathtaking […]

A Windy World: 25 Years Since Voyager 2's Mission to Neptune (Part 3)

The Great Dark Spot and Bright Companion, together with the chevron-like “Scooter” and D-2, are visible in this Voyager 2 image of Neptune. Photo Credit: NASA

Twenty-five years ago, this week, humanity braced itself for its last, first-time, close-up glimpse of a new planet in the 20th century. NASA’s Voyager 2 spacecraft, launched in […]

A Troubled Start to a Triumphant Mission: 37 Years Since the Launch of the Voyagers

Voyager 2 begins its journey of exploration, 37 years ago today (20 August), with a rousing liftoff atop a Titan IIIE-Centaur booster from Launch Complex (LC)-41 at Cape Canaveral. Photo Credit: NASA

A quarter-century ago, this week, NASA’s Voyager 2 spacecraft became the first machine fashioned by human hands to travel close to the […]

A Risky Rendezvous: 25 Years Since Voyager 2's Mission to Neptune (Part 2)

High-altitude clouds of Neptune, as seen by Voyager 2. Photo Credit: NASA

Twenty-five years ago, this week, humanity braced itself for its last, first-time, close-up glimpse of a new planet in the 20th century. NASA’s Voyager 2 spacecraft, launched in August 1977, had already conducted a breathtaking exploration of Jupiter and Saturn—together with its […]

A Gigantic Radio Ear: 25 Years Since Voyager 2's Mission to Neptune (Part 1)

In spite of its immense distance from the Sun, Neptune proved a surprise in terms of the dynamism of its atmosphere. Photo Credit: NASA

Twenty-five years ago, this week, humanity braced itself for its last, first-time, close-up glimpse of a new planet in the 20th century. NASA’s Voyager 2 spacecraft, launched in August 1977, […]

The Majestic Realm of a Forgotten World: The Alluring Mysteries of Uranus

A false-color photograph of Uranus, its rings, and 10 of its moons, taken by the Hubble Space Telescope’s Near Infrared Camera and Multi-Object Spectrometer in near-infrared wavelengths. As seen in this photo, there’s so much more to see on Uranus than meets the eye. This enigmatic world deserves a dedicated space mission to be […]