Astronomers have discovered a planet two-thirds the size of earth and possibly the closest to our so...

Asteroids from the inner solar system may be the source of the majority of Earth's water, a new stud...

Scientists have discovered what they say is the oldest and largest meteorite crater on Earth which i...

China's first woman cosmonaut and two of her colleagues returned to Earth on Friday after successful...

Scientists claim to have found clinching evidence that suggest Mars' interior holds vast reservoirs ...

A rare celestial spectacle -- Transit of Venus -- the last for this century, unfolded in the morning...

The transit of venus on June 6 -- a rare event that will not repeat itself until the next century --...

The Dragon cargo capsule owned by US company SpaceX made a splash landing in the Pacific Ocean after...

A newly-discovered asteroid passed in close proximity to the Earth, just 14,000 km above the planet'...