To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...

We’ve discovered thousands of exoplanets — but not a single confirmed exomoon. That doesn’t mean they aren’t out there. In ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Astronomers have searched the skies for signs of extraterrestrial technology for decades. These searchers since 1960 have ...

For more than six decades, astronomers have listened for possible signals from extraterrestrial civilisations, with no confirmed detection to date. A .

Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

Astrophysicist Neil deGrasse Tyson will be speaking at the Civic Theater in San Diego about the search for habitable planets and intelligent life in the universe.

The odds are that life is out there – but rather than little green men, it may look more like hydrothermal vent tubeworms ...

Scientists debunk Area 51 alien theories, pointing towards distant planets and our own Solar System's moons as potential extraterrestrial habitats.

Obama thinks extraterrestrials exist and he’s not the only former president to think so... here’s what the scientists believe ...

Astronomers used the VLA and MeerKAT radio telescopes to search the Hycean exoplanet K2-18b for alien technosignatures, analyzing millions of signals but finding no confirmed artificial radio transmis ...