Scientists may have found a planet orbiting two brown dwarfs at a wild 90-degree tilt—something never seen before.

Half of the moon will be illuminated as it reaches its first quarter phase on Monday, June 2. The first quarter phase marks ...

Have you ever wondered why all the planets in our solar system orbit the Sun in roughly the same flat plane? This fascinating ...

Jupiter’s ice-covered ocean moon Europa floats above the planet’s Great Red Spot in this 1979 image from Voyager 1. This is a ...