Elon Musk is taking the long view. The billionaire SpaceX founder has long said that humanity needs to expand its footprint ...

The European Space Agency’s Solar Orbiter is studying the Sun like never before. Just two months ago, it used Venus to leave ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Discovered in 1930, Pluto was long considered our Solar System's ninth planet, but was unseated in 2006 after the discovery ...

New data from the James Webb Space Telescope suggests a planet in a faraway solar system was consumed by a star by hurling ...

If you want solar power, you usually have to make a choice. You can put a solar panel in a fixed location and accept that it ...

Researchers say they found a curious dot on infrared images taken 23 years apart that seems to be moving in a manner consistent with a large, distant planet.

An international team of scientists led by a Rutgers University–New Brunswick astrophysicist has discovered a potentially ...

University of Central Florida (UCF) scientists and their collaborators discovered new insights into the formation of distant ...

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first ...