Terraforming is the theoretical process of transforming a planet or moon to make it habitable for humans and other Earth-like ...

The earliest such attempts date to Nikola Tesla in 1899. Where, and how, are we listening today? What are we hoping to hear?

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

Humans are finally building the technology that could tell us where to look, when to look, and what signs to watch for. What ...

The European Space Agency (ESA) has captured some incredible images of the interstellar comet 3I/ATLAS when it flew past Mars on October 3. The comet, which originated from outside our solar system, ...

Despite data suggesting interstellar object 3I/ATLAS is simply a comet, Harvard astronomer Avi Loeb still thinks something is ...

The European Space Agency (ESA) shared more data on the 3I/ATLAS interstellar comet after pointing to Mars orbiters at it.

Lacki’s study, “Artificial Broadcasts as Galactic Populations,” has been posted to the preprint science journal arXiv. In it, ...

The stunning photos of the interstellar object, 3I/ATLAS, were taken by the European Space Agency's Mars orbiters last week.

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

Interstellar comet 3I/ATLAS — just the third such object ever confirmed to have entered our solar system — flew past Mars ...