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

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

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

Humanity has already sent five spacecraft on trajectories that will eventually carry them beyond the Solar System, ...

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

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 ...

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

"That is why it is important to keep searching." ...

The findings of a new study may help "explain some of the radio silence we’ve seen in technosignature searches" for alien ...

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

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

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