A rocky world orbiting inside the habitable zone of a nearby red dwarf has drawn interest from astronomers. The exoplanet ...

A new study suggests that when our star becomes unstable in 5 billion years or so, Earth may avoid being engulfed by its ...

Recent estimates have come to the consensus that our planet hosts roughly six million species. But new research reveals that ...

Astronomers have sharply revised down the mass of nearby super Earth GJ 3378b, dramatically improving its prospects as a ...

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...

Earth receives about 7 percent less light during aphelion than during its closest approach to our star, yet the average ...

(Mark Garlick/Science Photo Library/Getty Images) If potted plants always seem to die under your care, you can take solace in ...

Satellite imagery provides a unique perspective on our planet and can encompass a wide range of different scientific ...

Every time I see the moon in the sky, it makes me happy. Our natural satellite is so familiar it’s easy to take it for ...

Apart from the sun, its planets and their moons, our solar system has vast amounts of space rocks—fragments left over from the formation of the inner planets. A large concentration of asteroids forms ...

The planet should not have survived the star's red giant phase—which sees a star balloon to more than 100 times its original ...

'This one's exciting.' ...