NASA and high-tech billionaires aren't the only ones who want to get to the red planet.
NASA’s MAVEN spacecraft set out 10 months ago to study the atmosphere of Mars. Now it has arrived — and a happy celestial coincidence may offer it a two-for-one opportunity to study a comet that will pass close by.
When India celebrated the success of its first Mars mission, a photo of middle-aged female scientists draped in saris became the viral face of that triumph. But that doesn't mean female scientists face an easy path, and Rhitu Chatterjee says much more needs to be done for gender equality.
NASA has taken data from recent explorations of Mars and turned it into a cool animation showing how Mars might have evolved over the last 4 billion years. The simulation starts by flying over a beautiful, Earth-like planet with huge lakes as the planet slowly becomes today's barren, red landscape.