Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Recent observations have revealed carbon monoxide venting from the largest comet ever seen, providing clues about its origins ...

British energy company Space Solar announced it successfully tested an in-space assembly method for its upcoming satellites.

Just weeks after Sierra Space Corp. publicly launched operations at a manufacturing facility in Centennial, the aerospace ...

Astronomers have been trying to detect atmospheres on planets orbiting TRAPPIST-1, but bursts of radiation from the star make ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

The icy giant is more than 10 times the size of any known comet, according to the National Radio Astronomy Observatory.

World Asteroid Day 2025 is upon us! Here's how you can celebrate the event by livestreaming real-time views of near-Earth ...

Explore the future of energy at the International Conference on Energy from Space 2025, focusing on space solar power.

Southwest Research Institute has delivered the novel Compact Dual Ion Composition Experiment (CoDICE) instrument for final ...

Zooming in on 78 disks in the Ophiuchus star-forming region, scientists saw hitherto undiscovered structures around young ...

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...