AmericaSpace Launch Countdown

Next Launch AFSPC-4 on a Delta 4 - Medium+ rocket from Cape Canaveral AFB, FL scheduled for 28 Jul 14 22:43:00 GMT

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Propulsion Issues Put Plans for 'Vintage' ISEE-3 Spacecraft on Ice

From the ISEE-3 Reboot Project: “An artist’s rendering depicts the satellite ISEE-3/ICE during its planned lunar fly-by in August 2014.” Image Credit: Mark Maxwell/ISEE-3 Reboot Project

While the spacecraft may have been frozen in time, the excitement over its reawakening was brand new.

But the effort to re-purpose the long-dormant International Sun-Earth Explorer-3 (ISEE-3) [...]

Titan's Hidden Ocean Might Be as Salty as the Dead Sea

Illustration of what Titan’s interior is thought to look like, with a rigid ice shell above the salty water ocean below. Image Credit: NASA/JPL-Caltech

Saturn’s moon Titan is known for its methane seas, lakes, and rivers; surprisingly Earth-like in appearance yet distinctly alien at the same time. But there is also evidence for another [...]

New Study Shows How Salts Could Make Liquid Water on Mars

The Phoenix lander was the first mission to land near the Martian north pole. Was it also the first to see evidence of liquid water on Mars? Image Credit: NASA/ JPL-Caltech/University of Arizona/Texas A&M University

The search for evidence of water on Mars, past or present, has been one of the driving forces behind [...]

Cassini at Saturn: 10 Years of Amazing Planetary Science and More to Come

Mosaic image showing Saturn backlit by the Sun, one of the most beautiful and surreal photographs sent back by Cassini. Image Credit: NASA/JPL-Caltech/Space Science Institute

The Cassini mission to Saturn has been one of the most successful and exciting in all of space exploration history. That amazing spacecraft is now celebrating its 10th anniversary today [...]

Gliese 832c: Astronomers Discover Another Nearby Potentially Habitable Exoplanet

Artist’s conception of Gliese 832c. Image Credit: PHL @ UPR Arecibo/NASA Hubble/Stellarium

As the number of exoplanets discovered continues to grow exponentially, the number of potentially habitable worlds out there continues to increase as well. Astronomers have now reported finding another one of the nearest known of these kinds of planets so far, Gliese [...]

Do Pluto and Charon Share the Same Atmosphere?

Artist’s conception of Pluto and Charon. Image Credit: ESO

Atmospheres are, of course, a common feature of planets and even some moons. Most of the planets in our Solar System and a few moons have their own unique atmospheres, but now there may be evidence for something new: a shared atmosphere between a planet [...]

'Mega-Earth' Planet Discovered Orbiting Distant Sun-Like Star

Artist’s conception of Kepler-10c (foreground) and Kepler-10b. Image Credit: Harvard-Smithsonian Center for Astrophysics/David Aguilar

Astronomers on Monday made a “big” announcement about exoplanets, and it is big—literally. Another new world has been discovered, which is quite routine now these days, but this one is different, and unexpected: a planet which is more than twice as large [...]

NASA Gives Citizen Scientists 'Keys' to Long-Decommissioned ISEE-3 Spacecraft

This diagram shows the torturous path the ISEE-3 (later ICE) spacecraft made over its 19-year operational life. NASA recently signed an agreement with the ISEE-3 Reboot Project team, who are working on breathing new life into the defunct spacecraft. Image Credit: NASA

On Wednesday, May 21, it was announced that NASA gave a group [...]

Jupiter's Great Red Spot Is Shrinking—Now the Smallest Ever Seen

In this new image from the Hubble Space Telescope, Jupiter’s Great Red Spot is seen at its smallest size ever recorded. Photo Credit: NASA / ESA / A. Simon (Goddard Space Flight Center)

The Great Red Spot on Jupiter is one of the most recognizable features in the Solar System: a massive hurricane-like oval-shaped storm [...]

Opinion: Space Settlement and the Preservation of Pristine Environments—Two Mutually Exclusive Concepts?

Artist’s concept of a possible future, where visitors to the Tranquility Base Memorial Center on the Moon view the Apollo 11 landing site. Is space settlement a spread of life into the Cosmos, or a spread of pollution and disease? Image Credit: National Space Society/Bill Wright

If we are to believe certain narrow-minded people [...]