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

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

From budgetary issues to wanting to recast Sigourney Weaver as Ellen Ripley, James Cameron’s version of Aliens almost never ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it ...

Even though these characters only appeared in a single episode of a "Star Trek" series, they left an unforgettable mark on ...

Is 3I/ATLAS an alien probe? Breakthrough Listen uses the Green Bank Telescope to search for technosignatures as the ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

This has never been observed before. For the first time in history, scientists are watching an alien comet fall apart. The object comes from beyond our Solar System and has traveled for billions of ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.