Our tiny blue planet has been immortalized in breathtaking images captured from the far reaches of space. These photographs, ...

For decades, scientists have debated whether we should try to contact alien civilizations or stay silent and hope we’re left ...

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

Using the Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected a new exoplanet ...

Debris from rockets and satellites can fall back to Earth or collide with other objects, and wreckage that burns up can harm ...

A huge "super-Earth" with an extreme climate that results in it being habitable for only part of its orbit has been discovered orbiting a star 2,472 light years away. And the most remarkable thing ...

Stars and planets are naturally associated with one another. While some planets have gone rogue and are drifting through ...

The Vera C Rubin observatory, home to the world's most powerful digital camera, promises to transform our understanding of the universe. If a ninth planet exists in our solar system, scientists say ...