AP - Will NASA's flagship mission to Mars fly next year? The space agency could decide as early as Friday whether to cancel, delay or proceed with plans to launch a nuclear-powered, SUV-size rover to the red planet.

Reuters - A car-sized NASA spacecraft zoomed above the surface of Mercury on Monday, viewing rocky terrain never before seen up close on our solar system's sun-baked innermost planet, scientists said.

Reuters - A NASA spacecraft will whiz over Mercury's crater-scarred surface next Monday, getting a look at the third of the planet closest to the sun that has never been seen close-up before.

AP - NASA's Phoenix spacecraft has discovered evidence of past water at its Martian landing site and spotted falling snow for the first time, scientists reported Monday. Soil experiments revealed the presence of two minerals known to be formed in liquid water. Scientists identified the minerals as calcium carbonate, found in limestone and chalk, and sheet silicate.

AP - NASA is delaying next month's shuttle launch to the Hubble Space Telescope because of problems stemming from Hurricane Ike and replacement parts for the observatory.

Reuters - The sun's winds are less blustery than they used to be, NASA said on Tuesday, revealing data from a solar probe that promises new insights about Earth's local star but poses few if any consequences for humans -- unless you're an astronaut.

Reuters - The sun's winds are less blustery than they used to be, NASA said on Tuesday, revealing data from a solar probe that promises new insights about Earth's local star but poses few if any consequences for humans -- unless you're an astronaut.

Reuters - The aging but intrepid Mars rover Opportunity is set to embark on a two-year mission it may never complete -- a 7-mile (12-km) journey to a crater far bigger than one it has called home for two years, NASA said on Monday.

AP - In an unprecedented step, a space shuttle was moved to the launch pad Friday for a trip NASA hopes it will never make — a rescue mission. The shuttle Endeavour is on standby in case the seven astronauts who go up on Atlantis next month need a safer ride home.

AP - The October launch date of NASA's shuttle flight to the Hubble Space Telescope is in jeopardy because of a problem with the replacement batteries for the telescope.