Astronomers have peered into an alien planet's atmosphere and found extreme weather unlike anything in the solar system.

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

NASA scientists have detected a star and trailing exoplanet that may be sailing through the Milky Way with unprecedented ...

A tiny star is making big moves — whether its accomplice likes it or not. Astronomers have spotted a star just a fraction the ...

NASA's flagship space telescope captured flares from the disk of superheated material around the black hole, revealing the dynamic—and explosive—physics at our galaxy's core.

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

Astronomers at the NASA Goddard Space Flight Center may have discovered a star hurtling through the Milky Way with a planet ...

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

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

Scientists have discovered a potentially record-breaking fast planetary system, with a star and possible exoplanet moving at ...

ASTRONOMERS may have just found the fastest exoplanet system in the galaxy – a super-Neptune world orbiting a hypervelocity ...

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.