Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

Astronomers are tracking a newly spotted comet, named 3I/ATLAS, hailing from parts unknown. It is only the third time such an ...

Scientists have been able to recreate the extreme conditions found on icy moons in deep space—and revealed the unstable ...

Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

Ever since the International Astronomical Union recognized Haumea and Makemake as dwarf planets in 2008, University of Maine ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

Our solar system contains many planets, moons, and asteroid that we may one day call home, but the future might instead be artificial space habitats, stations, and megastructures of vast size and ...

The newly discovered world — a "sednoid" — challenges what planetary scientists thought they knew about the edge of the solar ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

Developed at the University of Surrey, the coating has been designed to protect the organic molecules within perovskite solar ...

The star is surrounded by a protoplanetary disk, and this disk is the first evidence of debris condensing into what will ...

These rising costs, coupled with untapped opportunity in the right markets, offer developers a strong and proven path forward ...