Within the lifetimes of today’s teenagers, some of the world’s most respected researchers now say the discovery of alien life ...

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

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

While alien hunting is often associated with tinfoil hats and flying saucers, the Search for Extraterrestrial Intelligence ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

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

It’s one of humanity’s oldest and biggest questions: are we alone in the universe? According to one of Britain’s leading ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

The interstellar comet 3I/ATLAS is racing away from the sun. Hubble and JWST track the object's strange composition: high CO2 ...

On March 31, SpaceX launched the private Fram2 mission, which sent four private astronauts on a 3.5-day mission to Earth ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

The aim is to establish better coordination between astronauts, robotic missions, and artificial intelligence.