I/ATLAS may be more than the strangest space object astronomers have observed within our solar system—it could also be one of the oldest.

A comet born around another star is carrying methane, and the chemical details of that methane are unlike anything ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Composite image of the ...

A new NASA spacecraft has started tracking the particle streams that can make a massive solar flare dangerous while mapping ...

A UK study explains how rare but powerful solar storms could disrupt power, satellites and communication, showing how closely ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...