Your odds of winning the lottery are still 100,000 times larger than the probability of either Voyager hitting a comet.

This spacecraft was the farthest human-made object from Earth, and it will reach the Oort Cloud, a hypothetical region in ...

The Oort Cloud is a vast, icy shell that surrounds the solar system, marking the farthest reaches of our cosmic neighborhood. Though we have yet to directly observe its objects, the Oort Cloud is ...

Learn about the interstellar comet 3I/ATLAS, a high-velocity visitor from another star system. Learn how NASA is tracking its ...

NASA's Voyager 1, launched in 1977, has detected an unexpected hot and energetic \"firewall\" just beyond the heliopause, ...

NASA’s Hubble Space Telescope has captured its most detailed image yet of interstellar comet 3I/ATLAS. The rare comet is ...

An accidental discovery might change how we think about one of the most mysterious structures in our solar system. The Oort Cloud, a large expanse of icy bodies revolving around the sun at a distance ...

New Oort Cloud comets are discovered all the time, a dozen or so per year in recent years. The odds of any of them colliding with Earth are extremely low. But it is possible.

More information: Sean N. Raymond et al, Oort cloud (exo)planets, arXiv (2023). DOI: 10.48550/arxiv.2306.11109 Journal information: arXiv ...

The existence of the Oort Cloud was first proposed in 1950 by Dutch astronomer Jan Oort, who imagined it as a shell of icy bodies swirling around the sun from up to 1.5 light-years away.