A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests.

"If there are lots of black holes out there, some of them must surely pass through our backyard every now and then." ...

A NASA spacecraft erected a large, foil solar sail in orbit around Earth last week, after a failed attempt days earlier.

Amateur astronomers can use NASA's mobile app to find the ACS3 for themselves—a reflective satellite that could appear as ...

In a significant milestone for planetary science, a team of researchers led ... the largest moon in the solar system. This ...

The weekend brought some wild space news, including a sailing spacecraft and, of course, a couple of astronauts stranded on the International Space Station.

Mercury experiences dramatic changes in its day and night temperatures ... according to NASA Science. But where exactly is the edge of the solar system? Well, it depends on your criteria.

Here’s how many solar panels you’ll need ... additional demand an EV will add to your system. First, consider how much you typically drive in a day. Put simply, the more you drive, the ...

Most scientists agree that the Chicxulub impactor — named after the community in modern-day ... solar system, the team ...

There may be an undiscovered planet in the outer solar system whose presence is revealed ... would have profound implications for planetary science. “We would need to refine the definition ...

Using the Subaru Telescope, astronomers have identified previously unknown celestial bodies in the outer Solar System, ...

Weeks before Europa Clipper was to be shipped for launch, scientists discovered a potentially fatal flaw that might endanger ...