A large asteroid could be heading toward Earth within the next decade, and there's a small chance it could strike the planet, according to NASA.

"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really saying something." ...

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

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

The possibility of the asteroid 2024 YR24 impacting our planet might not be ruled out until 2028, raising the prospect we’ll need to prepare for the worst ...

A planetary alignment, or a "planet parade" according to the internet, will grace our night sky just after dusk, according to SkyatNightMagazine. We'll see six planets in the first part of February – ...

In February, six planets will align in the night sky — Saturn, Mercury, Neptune, Venus, Uranus, Jupiter and Mars — and be mostly visible to the naked eye. We find out how to see and more about this ...

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

YR4, which was recently spotted in the cosmos with a non-zero chance of hitting Earth in the coming years, may have caused some alarm.

But how well do you really know our planetary neighbor? This quiz of 15 questions will test your knowledge of Mars' size, surface and history, as well as scientists' attempts to study it. Remember to ...

As we discussed last month, late January and early February will provide a stage for a Planet Parade, with six planets lining up in the night sky. On February 1, we should see the crescent moon in ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...