AmericaSpace Countdown

Next Launch GPS IIF-9 on a Delta 4 - Medium+ rocket from Cape Canaveral AFB, FL
scheduled for:
25 Mar 15 18:36:00 GMT
25 Mar 15 14:36:00 EDT

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Kepler Discovers Three Super-Earth Exoplanets Orbiting Nearby Star

Cartoon illustration depicting how the three newly-found planets’ shadows (right side) can be seen as eclipses from Earth (left side) as they transit in front of their star. Image Credit: K. Teramura, UH IfA.

Last week was a good one for exoplanet enthusiasts, with yet more news relating to how other worlds are now […]

Has Curiosity Found Evidence for Ancient Microbial Life on Mars? Maybe, Says Noted Geobiologist

Curiosity image from Yellowknife Bay, where the potential microbial mat features were first seen in sandstone rocks. Gillespie Lake Member is the series of flat rocks in the central-left area of the image. Image Credit: NASA/JPL-Caltech/MSSS

There is a report about Mars which has been getting a lot of attention the past few weeks (in […]

Kepler Confirms Over 1,000 Exoplanets, Finds More Potentially Habitable Worlds

Illustration of the eight newly verified exoplanets which are less than twice the size of Earth and orbit within their stars’ habitable zones. Image Credit: NASA/JPL

Even after problems threatened to end the Kepler space telescope’s mission for good last year, the planet-hunting observatory has continued to help astronomers discover thousands of exoplanets orbiting […]

Scorching Hot Venus May Have Once Had Oceans ... of Carbon Dioxide

Radar image of the northern hemisphere of Venus, taken by the Magellan spacecraft. Radar is necessary to see through Venus’ perpetual cloud cover. Image Credit: NASA/JPL

The continued exploration of the planets and moons in our Solar System have revealed many strange things, including that Earth is not the only place with oceans and […]

Kepler Finds 'Super-Earth' Exoplanet in First Discovery of New Mission

Artist’s conception of super-Earth HIP 116454b. Image Credit: David A. Aguilar (CfA)

The Kepler space telescope has found its first new exoplanet, a “super-Earth,” of its secondary mission phase. The discovery adds to a current tally of 996 confirmed exoplanets and 4,183 planetary candidates already found by the revolutionary planet-hunting telescope.

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Strong Winds Explain Titan's Immense Dunes, According to New Study

Radar image of long lines of dunes on Titan. They can be up to 300 feet tall and hundreds of miles long. Image Credit: NASA/JPL–Caltech/ASI/ESA and USGS/ESA

Saturn’s largest moon Titan is one of the most Earth-like places in the Solar System, as least in terms of appearances, with its seas, lakes, and rivers […]

Dawn Spacecraft Takes Its Best-Yet Image of Dwarf Planet Ceres

The best image of dwarf planet Ceres obtained so far by the Dawn spacecraft, from 740,000 miles (1.2 million kilometers) away. Images will get much better as the spacecraft approaches Ceres over the next few months. Image Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

The Dawn spacecraft continues to make its way closer to a world which still hasn’t […]

Stars Above and Earth Below: NASA's Proposed New Airship Competition Good for Science

Artist’s conception of a new high-altitude NASA airship which could make science observations of both the Earth below and stars above. Image Credit: Mike Hughes (Eagre Interactive)/Keck Institute for Space Studies

Airships are a unique form of transportation—giant, balloon-like, lighter-than-air vehicles which can stay aloft for extended periods of time. Their design makes them […]

Hot 'Super-Earths' Provide Clues to Water in Exoplanet Atmospheres

Artist’s conception of super-Earth 55 Cancri e, one of the few exoplanets so far which astronomers are able to study the atmosphere of. Image Credit: NASA/JPL-Caltech

Some of the most interesting exoplanets discovered so far are the “super-Earths,” rocky worlds which are significantly larger and more massive than Earth but still smaller than the […]

NASA Skunkworks Team Designs Advanced New 'Dellingr' CubeSat

Artist’s conception of the new Dellingr 6U CubeSat. The advanced CubeSat could be deployed from the International Space Station by January 2016. Image Credit: NASA/Luis H. Santos

An advanced new six-unit (6U) CubeSat is being designed by a NASA skunkworks team, for possible deployment from the International Space Station by January 2016. The CubeSat, named […]