Aug. 21, 2007
Earth and Mars are rapidly converging. Relative speed: 22,000 mph. Contrary to rumor, Mars is not about to swell to the size of a full Moon, but there is something eerie and Martian to look for in the night sky next week.
Aug. 16, 2007
When she blasted off onboard the Space Shuttlelast week, teacher-turned-astronaut Barbara Morgan carried millions of basil seeds to the ISS. Soon she'll return millions more "space seeds" for students on Earth to study.
Aug. 15, 2007
Astronomers have discovered something they've never seen before: a star with a tail like a comet.
Aug. 10, 2007
This human interest story describes a night in the life of scientists and engineers working 'round the clock to test NASA's next great space telescope.
Aug. 8, 2007
On Sept. 1st, a flurry of bright and oddly-colored Meteorscould spill across the skies of western North America--or not. Forecasters are divided about what will happen next month when Earth runs into an ancient stream of debris from Comet Kiess.
Aug. 3, 2007
Mark your calendar: On Tuesday morning, August 28th, there's going to be a dreamy, colorful, total eclipse of the Moon.
July 27, 2007
Astronomers using NASA's Chandra X-ray Observatoryhave caught some supermassive Black Holesengaged in a piranha-like feeding frenzy.
July 20, 2007
A severe dust storm is underway on Mars, causing an energy crisis for NASA's Mars rovers. Dust in the atmosphere has blocked 99 percent of direct sunlight to Opportunity's solar panels.
July 18, 2007
This month in the skies above Costa Rica, scientists are flying into thunderclouds to learn more about the inner workings of furious storms.
July 16, 2007
Accelerating from 0 to 60, then slowing down for a stop light is no problem for an ordinary automobile. But if you were piloting a rocketship, it wouldn't be so easy.