NASA has just made a groundbreaking discovery—a new planet beyond Neptune that wasn’t there before! This mysterious find ...

Astronomers at NASA have caught a glimpse of a star system whipping through space at an unprecedented speed. While the system's pace is pending confirmation, it's thought to be traveling at a ...

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an ...

NASA has finally confirmed the existence of a new planet beyond Neptune that is 50 per cent larger than Jupiter and about a ...

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.

The four-planet lineup that began in January concludes by mid- to late February, as Saturn sinks increasingly lower in the sky each night after sunset, according to NASA. While Mercury will briefly ...

The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

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

It's not especially remarkable for a few planets to line up in the sky, but the sight of four or five brilliant planets at ...

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may ...

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