You Searched For "how many asteroids" and got 16 results
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3 mins read
An asteroid only turns into a meteor if it falls to Earth
Space agencies keep an eye out for these objects have come to realise that the asteroids having …
2 mins read
This space probe is almost ready to sample an asteroid - and resolve a mystery of life's origins
This is closer than most asteroids, but the spacecraft likely won't reach Bennu until 2019. After i…
Kelly Dickerson
3 mins read
A 'city-killer' asteroid got scarily close to Earth yesterday, and astronomers didn't know about it until it was just days away
But an asteroid doesn't need to be miles wide to cause significant damage. In 1908, a space ro…
Aylin Woodward
3 mins read
A giant asteroid flying past Earth on Halloween is the least of our nightmares
Right now NASA is preparing to send a spacecraft to an asteroid, and the agency hopes to eventually…
Kelly Dickerson
2 mins read
Asteroid 33 Polyhymnia is so dense it may actually contain elements never before seen on Earth, according to a new study
Researchers believe that an asteroid in our galaxy is denser than the densest element in the Period…
Grace Eliza Goodwin
4 mins read
Here's why NASA is risking nearly $1 billion to suck up 2.1 ounces of dirty asteroid
If all goes according to plan, the 1.7-ton OSIRIS-REx probe - short for Origins, Spectral Interpret…
Dave Mosher
3 mins read
We just got a big step closer to scouring key resources from asteroids hurtling through space
Because of its high value for space exploration, water will likely be the first resource to be mine…
Ali Sundermier
4 mins read
NASA will reach an asteroid today that may contain raw materials for life on Earth. Watch the rendezvous live.
According to NASA, Bennu (the asteroid formerly known as "1999 RQ36") is one such dirty asteroid in…
Dave Mosher
3 mins read
Mini-moons like the one Earth just captured could be huge business opportunities
Asteroids are ripe for mining. Some contain gold or platinum. Others could help make rocket fuel. W…
Morgan McFall-Johnsen
3 mins read
The asteroid that obliterated the dinosaurs came uncomfortably close to wiping out mammals too
The researchers analyzed fossil records from western North America from around 68 million years ago…
Ali Sundermier
3 mins read
An asteroid is about to slip between Earth and the moon - and it'll be the second in 3 weeks
Asteroid 2017 BX, according to Slooh and NASA JPL data, is similar to asteroid 2017 AG13, which fle…
Dave Mosher
2 mins read
A football stadium-sized asteroid will blaze by Earth today. Here's how to watch the potentially hazardous 'city killer' live.
Watch live as a "potentially hazardous" asteroid the size of a football stadium whips past Earth to…
Ellyn Lapointe
3 mins read
An airplane-size asteroid is about to zoom uncomfortably close to Earth
One more thing: Though this asteroid no longer seems to pose a threat to humanity, there are many n…
Julia Calderone
3 mins read
The asteroid that killed the dinosaurs struck at a perfect angle to inflict maximum planetwide damage, a study found
The asteroid 66 million years ago that led to the extinction of the dinosaurs hit at a 60-degree an…
Aylin Woodward
2 mins read
The smallest dwarf planet in our solar system was hiding in the asteroid belt
Hygiea isn’t a new discovery but the fact that it meets the International Astronomical Union’s (…
3 mins read
Unprecedented new video shows NASA's Osiris-Rex spacecraft landing on an asteroid and sucking up dust
In NASA's video, the probe creates a flurry of dust and rock — which is how it attempted to collect…