When will we know we have found extraterrestrial life?

(Phys.org)—As we become more advanced in astronomy, continuously searching and finding lots of potentially habitable extrasolar planets that could harbor alien life, it seems that it's not a matter of if but when we will ...

Scientists suggest protocol for messaging to aliens

(PhysOrg.com) -- In 1974, humans broadcast the first message targeted at extraterrestrial life using the Arecibo radio telescope in Puerto Rico. The message, which was aimed at the globular star cluster M13 located 25,000 ...

Two new Saturn-mass exoplanets discovered

An international team of astronomers reports the detection of two new Saturn-mass exoplanets as part of the CARMENES radial velocity survey. The newly found alien worlds, designated TYC 2187-512-1 b and TZ Ari b, orbit nearby ...

Successful 'alien' bird invasions are location dependent

Published today in Nature, researchers show that alien bird introductions are most successful in locations and climates similar to their native habitats and in places where other alien species are already established.

page 1 from 33


Alien or Aliens may refer to:

This text uses material from Wikipedia, licensed under CC BY-SA