Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

In May 2020, astronomers for the first time observed a planet getting swallowed by its host star. Based on the data at the ...

"We were surprised by the streams of light that were visible near the center of the galaxies, as nothing similar has been ...

Astronomers have long suspected that an enormous, unseen planet is hiding somewhere far beyond Neptune, quietly shaping the ...

The Sedona Heritage Museum hosted Sedona-based author Diane Phelps Budden and Lowell Observatory historian Kevin Schindler ...

A pair of white dwarfs, located just 150 light-years from Earth, appears doomed to die in a type 1a supernova that will shine ...

The event will be ten times brighter than our Moon in the night sky, but never fear, it won't happen for another 23 billion ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

Pluto isn’t the only dwarf planet in our solar system's outer reaches. Now is an ideal time to look for the egg-shaped Haumea ...

Astronomers have spotted two hefty white dwarf stars - highly compact stellar embers - orbiting close together that appear ...

Venus may be far more geologically alive than anyone expected. New research suggests its outer crust could be churning with ...