Harvard scientist Avi Loeb suggests comet 3I/ATLAS may be an alien vessel seeding life, after NASA's SPHEREx spacecraft detected unexplained methane and organic chemicals on board.

Experts believe that we may now be close to finding extraterrestrial life. A specific point in our sky could hold the answer ...

The NASA Juno mission has given deeper insights into the possible alien life on Jupiter's moon, Europa, and how it could lie ...

With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...

Astronomers are tracking a visitor called 3I/ATLAS, the third confirmed interstellar object ever observed. The two previous instances were 1I/’Oumuamua in 2017 and 2I/Borisov in 2019. 3I/ATLAS is ...

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And that's an influence Terra Invicta definitely wears on its space suit sleeve. It also adds an element of replayability, ...

Scientists have long relied on tree rings to learn about ancient solar storms—rare bursts of high-energy particles from the ...

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf star from view, after it drastically dimmed a sun-like star for around nine ...

Embarking on a spur of the moment astronomy lesson, Musk explained that the sun makes up some 99.8% of mass of the solar system, and that Jupiter, the biggest planet, is just kind of a rounding error ...

Behavior might be chalked up to more than just intentional choices.

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...