Life outside the Earth is one of the biggest "what if" in history, but NASA is trying to put a end to the discussion - or add ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

That would include the subsurface of Mars and the ocean moons in the outer solar system, including Europa, Enceladus, and Titan. I think we should be looking at getting into those oceans. It would be ...

The Women’s European Championship will be played in eight cities across Switzerland. The 31 matches will be spread across ...

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It was first discovered zipping near the sun this fall.

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...