The researchers said 2017 OF201 was identified in observations by telescopes in Chile and Hawaii spanning seven years.

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

In a groundbreaking achievement, astronomers have captured the most detailed images of the Sun to date using a new camera ...

A new member of the solar system has been detected, the second-largest of its kind, suggesting there may be more like it ...

A powerful new optics system has captured the clearest view yet of the Sun’s corona, revealing stunning plasma structures.

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

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