Two new – otherworldly – government-operated website domains created this week have caused a stir. Alien.gov and Aliens.gov were both registered by the Cybersecurity and Infrastructure Security Agency ...

As 3I/ATLAS passes near the sun, methanol gas glows blue, mixed with icy dust grains, while the far side of the comet glows orange with hydrogen cyanide in this artist's rendering. Credit: NSF / AUI / ...

I/ATLAS, the unusual interstellar comet that continues to fascinate astronomers, appears to be keeping an intoxicating cosmic ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Pictures of 3I/ATLAS will soon be all we have to remind us of the strange interstellar comet and its brief visit to our cosmic ...

The JUICE spacecraft captured its first detailed glimpse of interstellar comet 3I/ATLAS, revealing a glowing coma and sweeping tail. When you purchase through links on our site, we may earn an ...

In October 2017, astronomers detected Oumuamua, the first known interstellar object to enter our solar system. As it passed the Sun, it showed a small but measurable acceleration — about 17 meters per ...

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 to ...

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 ...