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.

Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

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

From supermoons to a total eclipse to the national park’s biggest and best-attended star parties, these are the must-see celestial shows of the year ...

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

An asteroid becomes a meteorite when it travels to Earth from a nearby orbit or the outer solar system and collides with ...

How fast can solar systems orbit our Milky Way Galaxy? This is what a recent study published in The Astronomical Journal hopes to address as an internation | Space ...

Firefly Aerospace has shared an awesome video clip captured by its Blue Ghost spacecraft as it heads to the moon.

Quipu, Hercules, Serpens–Corona Borealis and Sculptor–Pegasus are all larger than the fifth and final superstructure ...