Check out scenes from Project Kuiper’s first mission, including during launch and inside Mission Control as the first ...

Earth's atmosphere pulses in sync with the sun's fiery outbursts, indicating it is more sensitive to solar activity than previously thought, according to new research.

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best ...

This range aligns with theoretical predictions for Planet Nine’s distance and mass, estimated between 7 and 17 times that of Earth . The researchers initially identified 13 candidate pairs showing the ...

Astronomers may have uncovered a potential candidate for the elusive Planet Nine, a hypothetical planet located far beyond ...

The possibility of Planet Nine being out there way beyond Pluto has always excited astronomers. They have now found one body ...

The ninth planet in our solar system was first brought up as a possibility when two astronomers from the California Institute ...

An international team used 40 years' worth of data from two space probes to track down what they believe are signs of this ...

A team of astronomers poring through old astronomical data may have seen a candidate for the elusive Planet Nine – a hypothetical ninth planet in the Solar System, far beyond the orbit of Neptune.

and stellar radiation it ejects across the solar system. These solar storms routinely produce colorful atmospheric auroras on Earth, but especially intense events can wreak havoc on satellites and ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...