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

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

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

In the cold, distant reaches of the Solar System, far beyond Pluto, astronomers have just identified what could be a new ...

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 ...

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

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