How did life on Earth get started?
What can survive blazing temperatures of almost 6,000 degrees Fahrenheit without melting? Answer: 3-D printed parts
NASA's Cassini spacecraft has captured Saturn's rings and our planet Earth and its moon in the same frame.
There is only one planet we know of, so far, that is drenched with life. That planet is Earth
NASA's Hubble Space Telescope has discovered a new moon orbiting the distant blue-green planet Neptune, the 14th known to be circling the giant planet.
Astronomers making visible-light observations with NASA's Hubble Space Telescope have deduced the actual color of a planet
This image from NASA's Galaxy Evolution Explorer shows NGC 6744, one of the galaxies most similar to our Milky Way in the local universe.
Data from Voyager 1, now more than 11 billion miles (18 billion kilometers) from the sun... is closer to becoming the first human-made object to reach interstellar space.
More than 10,000 asteroids and comets that can pass near Earth have now been discovered.
This image is a scaled-down version of a full-circle view which combined nearly 900 images taken by NASA's Curiosity Mars rover.
An asteroid passed Earth last week, and with the Arecibo radio telescope astronomers got an unprecedented look
Astronomers using NASA's Hubble Space Telescope have found compelling evidence of a planet forming 7.5 billion miles away from its star
NASA research indicates hunks of frozen carbon dioxide -- dry ice -- may glide down some Martian sand dunes
NASA's Hubble Space Telescope will have two opportunities in the next few years to hunt for Earth-sized planets
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