In 2011, when NASA faced a crisis due to the retirement of the Space Shuttle program, a speech by a female scientist drew ...

Add Yahoo as a preferred source to see more of our stories on Google. Mosaic of the Valles Marineris hemisphere of Mars projected into point perspective, a view similar to that which one would see ...

NASA released a much-anticipated contract solicitation for a Mars-orbiting spacecraft late last week, kicking off what is sure to be a hotly contested and potentially controversial procurement. At ...

Viking 1 kicked off the search for Martian life 50 years ago. Now NASA’s shifting priorities are putting the quest in limbo.

NASA’s Psyche spacecraft is about to pull off a dramatic close flyby of Mars, skimming just 2,800 miles above the planet to get a powerful gravitational boost on its journey to the mysterious ...