Astronomers have yet to find irrefutable proof for any natural satellites of exoplanets—so-called exomoons—but as ...

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...

“Overall, our findings challenge the conventional classification of Uranus and Neptune as ’ice giants’ and underscore the ...

When NASA’s Artemis astronauts land near the moon’s south pole, they may be stepping into a region that holds vital clues to ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

Previously undetected organic compounds have been found in ice ejected into space from Enceladus, making the satellite a ...

A natural satellite is simply a celestial object that orbits a planet or a smaller body. Unlike the ones we build and send up ...

With the recent discovery of traces of what may or may not be or have been life on Mars, eyes are turning to another world in ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

Evidence points to a long-lost ocean beneath Ariel’s icy crust. Tides and orbit shifts may have cracked its surface billions of years ago. Growing evidence indicates that a deep ocean may lie hidden ...

The European Space Agency (ESA) shared more data on the 3I/ATLAS interstellar comet after pointing to Mars orbiters at it.

A new study conducted with data from the Cassini spacecraft shows that Saturn's moon Enceladus has the right ingredients for life.