The search for intelligent life in our galaxy is shifting from abstract speculation to detailed cartography, as researchers ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

Many experts believe that aliens exist in the universe, with the key elements needed to sustain life found on comets, ...

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

The Deep Space Network (DSN) is just the sort of tool aliens could one-day detect, transmitting from Earth. Credit: NASA/JPL What if the first signal ever detected from an alien lifeform wasn't a ...

Comet 3I/ATLAS, an interstellar visitor, reaches its closest approach to Earth on Dec 19 at about 167 million miles - visible ...

How galaxies assemble their stars and grow over billions of years remains one of the central questions in astronomy. Recent ...

Major airports may be alerting intelligent alien civilizations to our presence, according to new research. Are we being watched? Radar systems at major airports may be doing more than managing air ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. When will the Milky Way collide with the Andromeda Galaxy?

The Milky Way is our home galaxy with a disc of stars that spans more than 100,000 light-years. What you're looking at when the Milky Way is visible is the bright center of our galaxy with billions of ...