The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...
"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really saying something." ...
When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...
Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.
Aside from Earth, no planet in the solar system captures our imagination quite like Mars. The Red Planet is one of the few ...
NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet. The space rock—dubbed "2025 BV5"—is estimated by NASA's Jet Propulsion ...
The wannabe asteroid, announced on Jan. 2 as 2018 CN41, is actually a Tesla Roadster launched into space years ago by SpaceX ...
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.
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 ...
Scientists say that a newly discovered space-rock has a chance of colliding with our planet in less than 10 years ...