The universe's vastness challenges human comprehension. It contains trillions of galaxies and countless stars. Pluto's ...

The object’s aphelion the farthest point on the orbit from the Sun is more than 1,600 times that of the Earth’s orbit,” said ...

Even within our own solar system, distances are enormous. NASA astrophysicist Dr. Amber Straughn explains that driving a car ...

The universe is unimaginably vast, with over 2 trillion galaxies and still expanding, far beyond human exploration.

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

Space is really big. Thinking about our solar system, let’s imagine you could get in a car and drive to Pluto at highway ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

The area beyond the Kuiper Belt, where the object is located, has previously been thought of as fairly empty. NASA's New Horizons probe, which snapped pictures of Pluto and its moons in 2015 ...

Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the ...

But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune ... 2017 OF201 is about one-third the size of Pluto, which was reclassified ...