July 24, 2012
For several days this month, Greenland's surface ice cover melted over a larger area than at any time in more than 30 years of satellite observations. Nearly the entire ice cover of Greenland experienced some degree of melting, according to measurements from three independent satellites.
July 20, 2012
Forecasters say solar maximum is still a year away. Earlier this month sky watchers got a taste of things to come when a powerful flare sparked Northern Lights over the United States as far south as Arkansas, Colorado and California.
July 18, 2012
More than 8 years after landing on the Red Planet, Mars rover Opportunity is still running. Indeed, mission planners say the tireless robot is poised to complete a full marathon--the first ever long-distance race on an alien planet.
July 16, 2012
As Curiosity nears the Red Planet for a daring landing on August 5th, NASA has released a suite of video games and virtual experiences for members of the general public who wish to follow the massive rover across the sands of Mars.
July 13, 2012
While scanning the Pluto system for possible hazards to the approaching New Horizons spacecraft, astronomers using the Hubble Space Telescope have discovered a fifth moon orbiting the dwarf planet.
July 3, 2012
The brightest planets in the solar system are converging for a beautiful sunrise sky show that begins on the 4th of July.
June 29, 2012
A NASA-sponsored researcher at the University of Iowa has developed a way for spacecraft to hunt down hidden magnetic portals in the vicinity of Earth. These portals link the magnetic field of our planet to that of the sun.
June 28, 2012
Saturn's giant moon Titan appears to have an underground ocean of liquid water, according to a newly-released analysis of data from NASA's Cassini probe.
June 28, 2012
Working in tandem, NASA's Hubble Space Telescope and Swift satellite have caught a distant star blasting one of its own planets with a powerful stellar flare. The eruption stripped thousands of tons of material from the planet's atmosphere.
June 26, 2012
Turbulent jet streams, regions where winds blow faster than in other places, churn east and west across Saturn. Scientists have been trying to understand for years the mechanism that drives these wavy structures in Saturn's atmosphere and the source from which the jets derive their energy.