A famously unlucky date is getting a cosmic twist. NASA says the asteroid Apophis will safely pass close to Earth on Friday, ...

This occurrence will be the closest approach to Earth by an asteroid of this size that scientists have known about in advance ...

Sloths are the slowest mammals of all, but asteroid 2026 HX3 is anything but that – both in terms of being slow and in terms ...

People on the ground in the Eastern Hemisphere will be able to observe the asteroid with their own eyes, weather permitting, according to NASA.

Safe close pass: Apophis will pass just 20,000 miles from Earth on April 13, 2029, with no risk of impact for at least a century. Rare viewing chance: The asteroid may be visible without telescopes in ...

NASA’s Psyche spacecraft is about to pull off a dramatic close flyby of Mars, skimming just 2,800 miles above the planet to ...

A researcher says he found a possible shortcut to Mars that would halve the time it takes to travel to the planet and back to ...

NASA's Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the unexplored swarms of asteroids near Jupiter. It will be the second asteroid ...