Mercury starts to panic after Venus calls him “tiny”… is he really just a big asteroid? Jupiter steps in with some cosmic ...

The country's space agency said it will return “groundbreaking discoveries and expand humanity’s knowledge of the cosmos." ...

The innermost planets straddle nighttime, with Mercury in the evening and the greatest western elongation of Venus in the ...

Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a ...

WASHINGTON >> Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels ...

Elon Musk is now putting his full focus on sending people to Mars. Just one day after he left his position at the ...