The fictional biologist in ‘Project Hail Mary’ claims that potential alien organisms might not be made of carbon or require water, unlike life on Earth.

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s ...

One of the longest-standing techniques in humanity’s search for life beyond Earth may be causing scientists to miss alien ...

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the ...

We might have missed signals from aliens because they are being disrupted by the conditions of space, scientists have warned. Messages being sent from distant planets could be disrupted by activity ...

President Donald Trump said Thursday he will direct multiple U.S. government agencies to declassify files related to aliens and UFOs. The move came five days after former President Barack Obama ...

One obstacle to figuring out why, exactly, parts of the American government have developed a strange fascination with “unidentified aerial phenomena” and “nonhuman intelligence” — in lay terms, ...

President Trump on Thursday directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of public fascination — and spawned more ...

Trump has repeatedly addressed the subject of aliens and UFOs over the years. He has said he received briefings as president on reported UFO sightings by U.S. pilots, acknowledged meeting with ...

President Trump on Thursday said he will direct the Department of Defense and other agencies to release its files about UFOs and “alien and extraterrestrial life” to the public. “Based on the ...