Planet ‘parades’ are not uncommon. While occasionally spotting 4-5 planets is not unusual, sighting the alignment of all 7 ...

In February 2025, all seven of our planetary neighbors will be visible from Earth. So what does such a planetary alignment ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar ...

Researchers believe they have rediscovered a mysterious star system first spotted in 2011. If true, the alien sun and its ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.

Earth, HD 20794 d, orbiting a nearby sun-like star, offering a promising lead in the search for life beyond our planet.