As it soared past Mars in March, NASA's Europa Clipper conducted a critical radar test that had been impossible to accomplish ...

NASA’s Europa Clipper spacecraft just aced a key radar test while flying past Mars, proving its ability to detect structures ...

NASA's Europa Clipper nailed a major radar test during a Mars flyby, proving it’s ready to peer into Europa’s mysterious icy shell and search for underground oceans.

We got everything out of the flyby that we dreamed,” said Don Blankenship, NASA’s REASON radar principal investigator, as ...

Giant, ridge-like structures of methane ice, known as "bladed terrain," may be much more abundant along Pluto's equator than ...

Marcus Chown said it is possible that humans are in fact aliens from Mars because the Red Planet was habitable before Earth ...

Highlights include a morning meetup between Jupiter and Venus, a chance to see the Perseid meteor shower, and a window into our own sun's destiny.