Recently discovered interstellar comet 3I/ATLAS have been captured using the European Southern Observatory's Very Large ...

Watch Comet 96P/Macholz brighten as it flies by the sun in these time-lapses captured by the ESA/NASA Solar and Heliospheric ...

Scientists combine observations from Mars missions to get the clearest and most accurate track of 3I/Atlas so far.

Interstellar comet 3I/ATLAS is now within 300 million km of Earth. Discover why NASA and ESA are tracking this ancient ...

Dive into 3I/ATLAS, the 2025 interstellar comet sparking alien probe buzz. NASA Hubble data reveals size anomalies, Avi Loeb ...

CAPE CANAVERAL, Fla. (AP) — A telescope in Chile has captured a stunning new picture of a grand and graceful cosmic butterfly ...

More recently, proponents of UAPs as alien spacecraft have appeared before the U.S. Congress, confidently claiming that they ...

Harvard astronomer Avi Loeb bets $1000 against skeptic Michael Shermer that humanity will confirm alien technology by 2030.

The interstellar object 3I/ATLAS is drawing renewed scrutiny from astronomers after a striking new photograph captured in ...

A 23-day countdown to December 19 will test every prevailing theory about what lies beyond our solar system. The speculation ...