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Next stop, not Mars: Why NASA's twin ESCAPADE probes are taking the long way to the Red Planet after Blue Origin launch

For the first time in more than five years, humanity has launched a mission to Mars — but it won't be arriving at the Red ...

NASA unveils close-up pictures of the comet popping by from another star

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system.

NASA is sending probes to Mars to find out why it lost its atmosphere – and what that could mean for Earth

Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...

NASA quietly sends two spacecraft to Mars — and they're going a new way

A NASA mission will send twin spacecraft to Mars to learn what happened to the Red Planet's ancient, thick atmosphere.