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 ...

The comparable high-altitude winds on Neptune reach about 1,200 miles (2,000 km) per hour. Those, however, are a mere breeze ...

Keep your eyes on Mars in our night sky this week. Our neighboring planet—the fourth from the sun in our solar system and approximately half the size of Earth—will look larger and brighter in ...