Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...

Our Solar System has eight planets, a few dwarf planets and more than 200 moons. But wait. Are you seeing double? Or did ...

How does a star affect the makeup of its planets? And what does this mean for the habitability of distant worlds? Carnegie's ...

Carnegie's Luke Bouma presented exciting new research at the American Astronomical Society meeting revealing how large clumps ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Compared to our 4.5-billion-year-old sun, ​​the 20-million-year-old V1298 Tau is a stellar baby, making it ideal for ...

Astronomers have uncovered a massive gas planet in a place it should never exist, orbiting one of the smallest stars in the ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

Far beyond Neptune, something heavy appears to be tugging on the outer solar system, bending the paths of distant icy worlds ...

The 247th Meeting of the American Astronomical Society (AAS 247) is being held Jan. 4 to Jan. 8 and will feature remarkable ...

NASA’s IXPE captures the first X-ray polarization data from a white dwarf system, detailing observations of EX Hydrae and ...