A newly discovered interstellar object is moving through the solar system at around 137,000 mph, and it did not take long for ...

When scientists examined the preserved fragments of a meteorite that crashed in 2024, they found brine-like fluids and key ...

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be hiding underwater.

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology but found nothing beyond human-made interference. Even so, the ...