Asteroids, comets and Kuiper belt are bodies smaller than planets that orbit the sun. Asteroids are composed of metals and rock, whereas comets also contain ice and dust. The Kuiper belt is a ...

After checking its trajectory against at giant database of objects maintained by the Minor Planet Center in Cambridge, Mass., ...

On 13 April 2029, the asteroid 99942 Apophis will pass safely at a distance of about 32,000 kilometers above Earth's surface, within the geostationary orbit, posing no threat to the planet. This ...

Scientists now believe life may be found on the notoriously inhospitable planet of Venus – but they believe it will have come ...

如果你现在放眼欧洲西部，就会发现很难找到能够避开高温的地区。 European farmers are still counting the cost of last year's drought, which saw plummetin ...