Saving the planet is so 2024. Clean energy leaders across the globe are now emphasizing the greener side of green: ...

Filmmaker Adam Nemoy helps celebrate the 90th anniversary of Pluto's discovery this month at the 6th annual 'I Heart Pluto' ...

Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...

"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

The Planet That Influences the Sun?! Jupiter is not just the largest planet in our Solar System, but also one of its most ...

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

There are eight planets in the solar system, and each travels on its own path around the sun. But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some ...

A little-known volcano on a remote Pacific island may have been the source of one of the 19th century’s most powerful ...

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

The Siberian husky-Great Pyrenees mix will represent the Animal Refuge League of Greater Portland in Sunday's event to raise ...