If idle games with a sci-fi twist are your thing, Mine a Planet is worth adding to your Roblox rotation. Built by Skydog ...

Scientists say the findings of the new study may make future searches for extraterrestrial intelligence faster and more ...

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Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

This video explores a hypothetical scenario regarding a global extraterrestrial invasion starting from a security breach at a restricted facility. It follows the progression of a world war against ...

An enormous world orbiting a sun-like star just 57 light-years away in space may have a pink hue and a sky filled with clouds of salt. "Distant object" is about as precise of a label as it gets for ...

Researchers studying the universe's "Pink Planet" have discovered an unexpected feature in its atmosphere: clouds made of salt. A team of astronomers led by Northwestern University used the James Webb ...

Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant Kuiper Belt objects have fueled the Planet Nine theory, but recent ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...