Astronomers have spotted the shiniest known planet in the Milky Way, and it has metal clouds that appear to be raining down titanium droplets. Exoplanet LTT9779 b, which orbits a star about 262 ...

Previous efforts to map the galaxy's dust were challenged by limited data, but the Gaia mission has provided a treasure trove ...

Indeed, our galaxy is so huge that dozens of lesser galaxies scamper about it, like moons orbiting a giant planet. As a result of its vast size, the Milky Way can boast at least one planet with ...

The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.

Unlike the typical blue-and-green depiction of Earth, this photo shows the planet in a mossy green hue, framed by a thin ...

researchers have turned their attention to the evolution of metallicity in the Milky Way. With this answer comes more of an idea about where planets are likely to form in our galaxy. They have ...

Could it be a rogue planet with a moon ... An artist's conception of the star speeding through the Milky Way galaxy. Reddish and purple lines depict quicker star movement. Credit: NASA / JPL ...

Among the roughly 10 billion white dwarf stars in the Milky Way galaxy, a greater number than ... She said a key difference in the star/planet systems her team studied—a variation responsible ...