A solar sail is no longer just a graceful idea for propellant-free flight; it is becoming a materials and deployment problem that engineers are finally learning how to solve. That shift matters ...

The European Space Agency's JUICE mission pointed its instruments at 3I/ATLAS. This body, only the third of its kind ever ...

In late 2025 a mysterious comet flew between the orbits of Earth and Mars and reached a speed of more than 150,000 miles per hour during its closest approach to the sun. The rare interstellar guest ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

If launched in 2035, a spacecraft performing such a maneuver could fly by 3I/ATLAS by 2085. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an exceedingly rare discovery: a mysterious object passing through the solar ...

There is a silence in the night sky that has bothered me for as long as I can remember. ” Richard Feynman’s reflection lingers because it feels personal.

Discover the rare interstellar comet 3I/ATLAS, captured by a Jupiter-bound spacecraft. Learn how this visitor from outside ...