For now, complex life flourishes on our planet thanks to its supply of oxygen. But Earth's atmosphere wasn't always like it ...

When you think of a planet, you probably think of one of the planets in our own solar system, like Earth, Jupiter, or Mars. Most of the exoplanets we’ve discovered have been like those in our solar ...

NASA has just announced a groundbreaking discovery: 10 new Earth-like planets beyond our solar system that could potentially ...

Researchers were surprised to find giant gas planets orbiting quite near to their stars. Yet novelists had already imagined ...