Planets larger than Earth but smaller than Neptune – so called sub-Neptunes – are the most common type of known exoplanet. It ...

Astronomers investigating 3I/ATLAS suggest its unique trajectory allows interstellar observers to detect Earth's industrial ...

PORTLAND, Ore. (AP) — The FBI said in a court document made public Monday that it had found no surveillance or other video of ...

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

A group of Australian scientists have revealed how we may be able to learn to speak with aliens, and the answer is found ...

The hunt for worlds beyond our solar system has shifted from counting planets to confronting extremes that strain basic ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp.

Breakthrough Listen will scan the the skies with the aid of the MeerKAT Telescope. They are targeting a million nearby stars. [NASA's Planet-Hunting Probe Joins the Search for Intelligent Aliens] Cred ...

And even if they were to happen across the probes, finding a way for aliens to discover where and when they were made is not ...

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...