It is possible to have a comet lose gas in a way similar to that of a leaky valve and still shock the work of navigation ...

This week in science: the choice between tea or coffee could have greater consequences than you think; interstellar comet 3I/ATLAS makes its closest pass to Earth; astronomers track a runaway ...

By taking advantage of a maneuver that would see a spacecraft fire rocket engines while in the solar corona, that ...

Comet 3I/ATLAS was full-on erupting into space in December 2025, after its close flyby of the sun, causing it to significantly brighten. Even water ice was quickly sublimating into gas in ...

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

NASA's SPHEREx space telescope detected organic molecules coming off comet 3I/ATLAS as the interstellar visitor made its closest approach to Earth in December. When you purchase through links on our ...

"We all would have been thrilled to find technosignatures coming from 3I/ATLAS, but they're just not there." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...