AmericaSpace Launch Countdown

Next Launch ORB-3 on a Antares rocket from Wallops Island, VA
scheduled for:
21 Oct 14 2:29:00 GMT
20 Oct 14 22:29:00 EDT

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

Enter your email address to subscribe to AmericaSpace and receive notifications of new posts by email.

It's an Alien Blue World—But Nothing Like Earth

Artist’s conception of exoplanet HD 189733b—a “deep blue dot” reminiscent of Earth from a distance. Image Credit: NASA / ESA / M. Kornmesser

The planets and moons in our Solar System come in a wide variety of colors, and the natural beauty can be breathtaking. Now, the true color of a much more distant [...]

Hubble Space Telescope Reveals Evidence of Farthest Known Planet From Its Star

A gap in the protoplanetary disk of dust and gas whirling around TV Hydrae uncovered evidence of an unseen, growing planet, according to astronomers studying Hubble data. Image Credit: NASA, ESA, J. Debes (STScI), H. Jang-Condell (University of Wyoming), A. Weinberger (Carnegie Institution of Washington), A. Roberge (Goddard Space Flight Center), G. Schneider (University [...]

Hubble Space Telescope to Use Microlensing to Hunt for Nearby Exoplanets

Artist’s impression of a planet orbiting the red dwarf Proxima Centauri. Image Credit: Michael Kilderry.

It was announced this week at the 222nd meeting of American Astronomical Society that Proxima Centauri, a red dwarf and the closest star to the Sun, is predicted to pass in front of two unnamed background stars, one in [...]

Strange New Worlds: Exoplanets Abound in the Cosmos (Part 2)

A comparison of the sizes of the three known planets of the star Kepler-37 with some of the worlds of the solar system. Image Credit: NASA/JPL-Caltech

Astronomers have been dazzled by the sheer number of planets there seem to be in the galaxy. According to a recent estimate, there’s on average at least one [...]

Pack a Bag for the Stars: A Shopping List for Deep Space?

At some indeterminate time in the future, our descendents will take the sage advice of Konstantin Tsiolkovsky—the father of modern cosmonautics—to its ultimate conclusion: by leaving the cradle forever and setting sail for the stars. To do so, our children and grandchildren will face daunting technological, biological, sociological, and engineering challenges. Photo Credit: NASA

It is [...]

Reaching for the Stars Part 2: Practical Interstellar Travel

Artist impression of the Project Orion spacecraft traveling through the solar system. Image Credit: NASA

The idea of journeying to the stars is nothing new. As early as 1929, the British scientist J. D. Bernal wrote about the possibility of generation ships—enormous spacecraft, like miniature worlds, which would take hundreds or thousands of years [...]

Reaching for the Stars Part 1: First Steps

The trajectories of the twin Voyagers and Pioneers shown together with the more direct route to the edge of the solar system, which would be followed by a purpose-built interstellar probe. Image Credit: NASA

Will we ever be able to send spacecraft to the stars in a reasonable amount of time? The big problem—and [...]