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The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

The postponement, driven primarily by thick clouds, was the second scrub of the flight since an issue with the rocket on ...

Butch Wilmore and Suni Williams have nearly half a century of combined experience as astronauts. But this is just their third ...

As these planets began orbiting the sun, their movements kicked the excess material far beyond Pluto's orbit ... miles (1.6 million kilometers) a day, NASA's Voyager 1 spacecraft won't reach ...

NASA’s science programs budget could be slashed by 50 percent in fiscal year 2026, people familiar with the Trump administration’s budget request warn ...

Today NASA said that the Dawn spacecraft has fallen out of contact with Earth, presumably because it’s run out of the thruster… Read More The once-mysterious bright spots shining on the surface of the ...

To learn more about the solar system's eight planets, go to NASA's planet information website ... The top finisher is a shocker Why Pluto isn't part of any planet parades For those people still ...