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

Mars will be making its closest approach to Earth in two years, and thus, the mighty red planet, named for the god of war ...

Mars is home to perhaps the greatest mystery of the solar system: the so-called Martian dichotomy, which has baffled ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

Nasa said that the purple space lumps surrounding the planet are massive clouds of X-rays. Some of these lumps are even ...

Jan. 21. A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There ...

Genesis data is now producing high impact science in cosmochemistry, solar physics, coronal mass ejections, and space ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Planets in our solar system are all set for a surprise for astrophiles and sky gazers this year. You'll likely have heard news that a 'planetary alignment' is v ...

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

The asteroid is estimated to be between 656 and 1,443 feet across, and will pass at 16 times the distance to the moon.

Six planets will form a rare planetary alignment in the night sky on Jan. 21; here is everything you need to know about the ...