Scientists have long believed Saturn’s moon Titan hid a massive underground ocean, but new research suggests something even ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

But what if the most clandestine intelligence program in U.S. history was shut down not because it failed, but because it had ...

The past year won't be remembered as one that marked a record of important space missions, but one when the foundations for ...

As number of lunar satellites soars, sites will be marked out where defunct hardware can be crash-landed ...

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

As NASA plans for long-term human missions beyond Earth, one question keeps resurfacing: how do you sustain life in places ...

A new NASA study of data from its old Cassini mission to Saturn suggests that giant moon Titan may not have a global ocean — ...

Interstellar object 3I/ATLAS has grown a colossal, sunward anti-tail larger than the distance to the moon. Is this an ...

Scientists are to send a spacecraft to hunt for aliens potentially hiding in our solar system. The European Space Agency (ESA) has announced a mission to Saturn's moon Enceladus, as it has all the ...