Though a transit appeared every 30.5 hours, the brightness took much ... More massive terrestrial planets like the Earth have a stronger gravitational pull and therefore can hold onto their ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

If Earth can serve as proof that life can arise quickly once conditions are ripe, then it suggests the same could be true of life evolving on other Earth-like planets in much the same way.

This strange exoplanet, located 140 light-years away from Earth in the constellation Pegasus, appears to be rapidly falling apart. Its blistering host star is so close, the radiation is effectively ...

Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

An international team of astronomers reports the discovery of two new exoplanets, a few times more massive than Earth, ...

Titan is a strange world, at -300 degrees Fahrenheit, and shrouded in a jaundiced smog. Similar to Earth, the atmosphere is ...

The planet orbits its host star in just 30.5 hours, losing a mass of material roughly equal to Mount Everest each time ...

If we were to rewind the clock back 4.5 billion years, our planet would be massively different. And seeing Earth from space ... will come only after a Mars-like body ends up hitting our planet.