Interstellar Technologies ZERO rocket engine test-fired at Hokkaido Spaceport in Taiki, Hokkaido. It is fueled by liquid biomethane. Credit: Space.com | footage courtesy: Interstellar Technologies ...

This galaxy's central black hole appears to be a "messy eater" as its interstellar scraps are strewn into space.

While an antimatter engine is very far off ... researchers believe it could eventually be an option for space travel at higher velocities. Sawsan Ammar Omira and Abdel Hamid I.

Blue Origin's upcoming interstellar trip is set for Monday ... media with the other civilian crew members he flew to space ...

In 2017, scientists spotted our solar system's first confirmed interstellar visitor ... but a swarm of them. Breaking space news, the latest updates on rocket launches, skywatching events ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Galaxy NGC 4945 in the constellation of Centaurus (main) and galactic winds flowing out from ...