Iron-rich rocks near ancient lake sites on Mars could hold vital clues that show life once existed there, research suggests.
An asteroid around the size of a football field is expected to zoom by Earth on Tuesday, but at a safe distance, the US space agency said.
An asteroid bigger than a city bus is on track to zoom by Earth Friday at a safe but close distance, less than one-fifth as far away as the Moon, NASA said.
Authorities in Morocco said Monday they doubt the authenticity of an alleged dinosaur tail sold in Mexico, after launching a probe to see if it had been illegally exported from the North African country.
The fireball that streaked through the Michigan sky put on quite a show but as far as potentially killer space rocks, it was merely a flash in the pan.
A house-sized asteroid grazed past Earth Thursday, passing harmlessly inside the Moon's orbit, as predicted, to give experts a rare opportunity to rehearse for a real strike threat in future.
The house-sized asteroid 2012 TC4 is slated to give Earth a close shave on Thursday, October 12, swooshing by our planet at approximately 5:41 UTC (1:41 a.m. EDT) at a distance of about 31,000 miles (50,000 kilometers). Although ...
It was a stroke of serendipity that led to Michael Zanetti's discovery of the hottest rock on Earth.
NASA's asteroid-chasing spacecraft swung by Earth on Friday on its way to a space rock.