have mostly come from the asteroid belt between Mars and Jupiter and could make up as much as 60% of all near-Earth objects, a new study suggests. Dark comets were first revealed in 2023 ...

"Dark comets are a new potential source for having delivered the materials to Earth that were necessary for the development of life," he said, according to Forbes. As researchers continue to study ...

27 and could make its closest pass to Earth on Oct. 13, when it will be around ... study author Zdenek Sekanina — an astronomer at NASA's Jet Propulsion Laboratory who has been studying comets ...

The Taurids, which are thought to be remnants of a large comet called Encke, can be seen from Earth as highly ... to complete one rotation around the sun) of known comets at just 3.3 years ...

The results showed that the 405,000-year cycle is the most regular astronomical pattern linked to the Earth's annual turn around the sun, he said. Prior to this study, dates to accurately time ...