The asteroid poses no threat to the moon or Earth. A newly discovered house-size asteroid is set to make a close, yet ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

They found that volcanic gases lacked significant steam, indicating the planet's interior ... 1453 c is twice Earth’s size and may have a... Astronomers have revealed new evidence that there ...

Exoplanets—planets that orbit stars beyond our solar system—have transformed our understanding of the universe. Since the ...

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

The discovery of this new, farther-out super Earth is even more significant ... than Earth all the way to the size of Jupiter and beyond shows us that planets, and especially super-Earths, in ...