A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

Learn how a possible ninth planet, the theoretical Planet X, could have acquired its wide orbit in the outer Solar System - a ...

A group of astronomers from across the globe, including a team from the University of Washington and led by Queen's ...

How can fission-powered propulsion help advance deep space exploration, specifically to the outer planets like Jupiter, ...

For the unversed, "Planet Nine" is a hypothetical planet which is reportedly larger than Earth that is thought to orbit ...

NASA says with the help of data from the James Webb Space Telescope, scientists have confirmed the presence of water crystals around a Sun-like star, some 155 light-years away from Earth. The star, ...

Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a highly ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

A group of astronomers from across the globe, led by Queen’s University Belfast, have revealed that millions of new solar ...

Dozens of NASA's spaceflight missions that launched from Florida could be in jeopardy under a budget proposal from the Trump ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system. The object—which orbits out beyond Neptune—has been named "2017 OF201" by the ...