THE United Nations has officially confirmed the Earth’s planetary defences will be tested by the bizarre 31/ATLAS comet that ...

In brief: A massive impact is the most commonly accepted theory on what caused the extinction of non-avian dinosaurs 66 million years ago. Scientists continue to uncover more evidence supporting the ...

A critical nutrient used to produce the neurotransmitter serotonin may have turned up in samples collected from asteroid ...

An essential amino acid that is mistakenly believed to cause drowsiness after eating turkey has been found in an asteroid for ...

A hypothetical “fifth force” could tug on asteroids, if it exists. But the asteroid Bennu shows no signs that its orbit has been tweaked by such a force. That sets a ceiling on how strong a potential ...

The asteroid Vesta is the second largest asteroid in our solar system. With a diameter of about 330 miles, it orbits the sun between the planets Mars and Jupiter. Asteroids have long played a part in ...

The asteroid that wiped out the dinosaurs may not have been the whopper scientists thought. Analysis of chemical remains of the asteroid that can still be found in sediments under the sea shows the ...

The irregular shapes and orbits of Mars’s two small moons, Phobos and Deimos, have long been a subject of scientific curiosity. Recent research suggests that these moons may have originated from ...

The rocks and dust collected from asteroid Bennu hold amino acids, ammonia and other molecules essential to life on Earth, NASA reported Wednesday. The findings suggest the conditions necessary for ...

When the cosmos shoots pool, it plays for keeps. It sunk a six-mile-wide rock in our pocket of the solar system 66 million years ago. The smack of the asteroid against Earth released energy on the ...

In this artistic conception, an asteroid passes near the Earth. Asteroids routinely make flybys of our planet, many much closer than 1994 PC1. Contrary to popular belief, the Earth doesn't pull them ...