Jupiter and Mars will appear to make ultraclose approaches to the moon on two nights this week. Here's how to get the best view, starting tonight.

A recently discovered asteroid has made the news lately due to a small possibility of impact with Earth, but here is why the ...

The chances of an asteroid striking Earth within the next decade has more than doubled in a matter of weeks, according to ...

The asteroid is hurtling towards us at a zippy 15,000 miles per hour, according to the space agency's Jet Propulsion ...

The space rock is heading in our direction at some 18,700 miles per hour, according to the space agency's data.

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

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

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

And while Earth, of course ... Because Io is so close to its massive host planet, the moon is subjected to a tremendous gravitational pull as it orbits Jupiter once about every 42 hours, according to ...

An asteroid that could level a city now has a 3.1-percent chance of striking Earth in 2032, according to NASA data released ...

A pair of astrophysicists with Aix- Marseille Université, CNRS, and Institut Universitaire de France have developed a new ...