The crater, named after geologist and lunar surface expert Tom McGetchin, spans more than two football fields wide ...

Thousands of planets have been discovered beyond our solar system, offering clues to where life might thrive and whether ...

Planets without stars to orbit raise important questions about how planets evolve and what habitability might look like ...

Scientists have identified 27 mysterious new objects hovering at the edge of our Solar System.

Astronomers have identified radio emissions directly originating from an exoplanet for the first time, revealing a magnetic ...

From Mercury's cratered surface to Neptune's deep blue atmosphere, NASA's stunning images reveal the striking beauty and diversity of all eight planets.

Keck Observatory, the Atacama Large Millimeter/submillimeter Array (ALMA), and the European Southern Observatory's Very Large ...

Mercury, Venus, Earth, Mars...When you hear the names in order, some of you might think, "I learned that in school."But doesn't the Moon belong to that group?Does asteroid just mean a small ...

James Webb cannot see chariklo’s rings directly but their shadows revealed that something is happening to them.

That pattern backs a "born big" view of planet construction. In the early solar system, clouds of pebble‑size material in the ...

Mercury is closer to the Sun, but Venus is the solar system's hottest planet. Venus possesses an extremely dense carbon ...