Scientists fear South Africa's Square Kilometre Array (SKA-Mid), the world's most powerful radio telescope together with another array co-hosted in Australia, will have their sensitive space ...

OF201 is incredibly lightweight on a cosmic scale. Scientists estimate its mass is about 20,000 times less than Earth's and ...

Almost 20 years after Pluto was infamously downgraded from its status as a planet, scientists now believe they have ...

American scientists believe they have discovered a new dwarf planet at the edge of the solar system. Named OF201, this object ...

WASHINGTON >> Scientists have identified an object about 435 miles wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a ...

Invisible radiation leaking out of private satellites, like SpaceX's Starlink spacecraft, is disrupting radio astronomers' ...

In common usage, UT refers to a time scale called Coordinated Universal Time (abbreviated UTC ), which is the basis for the ...

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

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

The Tianwen 2 asteroid-comet probe lifted off on Tuesday (May 28), riding into the final frontier atop a Long March 3B rocket ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.