Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Scientists recently detected something unusual entering our Solar System, sparking discussions about whether it is a comet or ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...

Every second, hypervelocity collisions may be blasting tiny flecks of Earth into space. Some of those grains, small enough to ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

US firm Vast is developing spinning space stations with artificial gravity to keep astronauts healthy on deep-space missions ...

Scientists say extraterrestrial life may exist elsewhere in the universe, but vast distances, enormous energy requirements ...

As UAP files are declassified and Disclosure Day hits cinemas, physicists argue that any aliens capable of reaching Earth ...

Using the Keck Observatory, astronomers measured the spins of dozens of giant planets and brown dwarfs orbiting distant stars ...

Astronomers studying the atmospheres of several intensely heated exoplanets uncovered an unexpected pattern that may reveal a ...