All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

Reaching Mercury is such a challenge because “the gravitational pull of the Sun is very strong near Mercury, which makes it ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

Mercury, the innermost planet in our solar system, is full of surprises! Join us for an in-depth look at its physical ...

The joint European-Japanese mission is only the second survey of Mercury, the least explored planet in the inner solar system ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

In a thrilling close approach, the BepiColombo mission captured its final, stunning images of Mercury before its orbit ...

In the early evening, look to the southwest and you'll see Venus (the brightest object in the sky after the Sun and Moon) and ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...