As the closest planet to the Sun, Mercury is exposed to the star's enormous gravitational field. And it's really stressful.

Despite being covered in impact craters that could potentially send pieces of the planet into space, we have never found a piece of Mercury. Until, just maybe, now.

A European space agency created the first "artificial total solar eclipse" using a pair of satellites on Monday.

But a newfound planet exerts an unexpectedly strong—and ultimately self-destructive—influence on its star in return. The star HIP 67522 is slightly larger than our sun and shines roughly 408 ...

Gravitational assists are an emblematic example of why space travel is hard —it is exactly rocket science, after all. Gravity ...

Honda says its first reusable rocket launch was successful as the Japan's second-biggest automaker marked a key milestone to ...

A recent study in Icarus suggests a wandering star could disrupt our solar system. Simulations reveal that a star passing ...

Moving from the outer layer inward, the first layer is the corona — the outermost part of the sun’s atmosphere that is actually hotter than the sun’s surface. This is followed by the chromosphere — a ...

The last Dragon spacecraft that SpaceX plans to build entered orbit for the first time with "grace." Reaching space on the ...

Astronomers have discovered over 100 new alien worlds so far this year — some many light-years away from Earth — that ...

It was captured by two satellites flying in precise formation, with one spacecraft positioned 150 meters ahead of the other.

Mercury, the smallest planet in our solar system and the one closest to the Sun, has long baffled scientists with its twisted ...