What if Venus became Earth's moon? Explore how our planet would change if Earth’s twin, a planet almost the same size and ...

Mount Everest may be the tallest mountain on Earth, but it's nothing compared to the towering giants scattered across our ...

The outlook is promising for future long-term monitoring of planets across multiple wavelengths. Infrared imaging data from ...

The sun rises from the east, and sets in the west - this is a well-established fact for the longest time, and this is due to ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...