Despite the recent buzz about eventually mining asteroids for metals, their real near-term value may be as space-based sources of water and carbon dioxide from which to make rocket propellant.
NASA has estimated the size of almost 160,000 asteroids, but according to the former chief technologist at Microsoft, those estimates could be very wrong.
LIVERMORE -- Disaster movies from "Deep Impact" to "Asteroid" to "Armageddon" have mined drama from the mortal threat humanity could face if a massive asteroid were speeding towards Earth. At Lawrence Livermore National Laboratory, scientists are ...
The skies may be safer than we assumed. Many asteroids are weak and brittle - which could be good news for us on Earth. More than 90 per cent of asteroids and comets larger than a kilometre across in Earth's neighbourhood have already been discovered, ...
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Astronomers have located thousands of asteroids that will zoom past earth in near future, but there are numerous others that are still undiscovered and some have a hunch that one of these could pose threat to earthlings in the coming decades.
"Comets are leftover material from the beginning of the Solar System, so by studying them we get an idea of what the conditions were like at the beginning.
Asteroids are usually seen outside the Earth, sometimes even with just the naked eye. And because it can easily be found, NASA is developing a study where robotic arms will collect and redirect the orbits of known asteroids so scientists can further ...
The development, launch and operation of Cassini represented an unprecedented example of international technical collaboration, but then the world changed.
Usually seen outside the Earth, sometimes with the naked eye, asteroids are fascinating entities that NASA is certainly curious about.
Astronomers, planetary scientists and astrophysicists have long known about the risks posed to humanity by rogue asteroids.
The mapping of the near-Earth asteroid Bennu is one of the science goals of NASA's OSIRIS-REx mission, and an integral part of spacecraft operations.