The spacecraft—humanity's most distant probe—managed to resumed contact by switching to a secondary radio not used since 1981 ...

In astronomy, what does retrograde mean? And what connection does it have to astrology? We explain how planets move across ...

Those rings, however, are going to “disappear” in 2025 . Like Earth, Saturn’s axis is tilted, NASA explains. Next year, ...

Hot spots and tunnels to neighboring "superbubbles" seem to have been created by supernovas and infant star outbursts.

On its 66th flyby of the king of planets, Juno has captured spectacular views of the stormy atmosphere, processed by citizen ...

Transformative Travel: I look at how travel can change lives. Eclipse fever is running high as the U.S. gears up for a total solar eclipse that will pass across a huge swath of the country on April 8.

It’s also the amount of time it takes Mercury to travel around the Sun. It’s the shortest orbit in the Solar System, because Mercury is the closest planet to the Sun. So, next time someone ...

The corona is so hot that the sun’s gravity can’t hold it, so particles are flung off into space and travel throughout the solar system in every direction. As the sun spins, burns and burps, it ...

Taranpreet:Our Planet, Earth, is in The Solar system. Maddie Moate:Mercury is a rocky planet, with large round ditches that we callcraters. Mercury takes about about 88 days to travel around thesun.