A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

The deep ocean is home to one of the strangest phenomena on Earth: bioluminescence. Scientists estimate that more than 75% of ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

The United States government's recent release of hundreds of previously classified unidentified anomalous phenomena (UAPs) ...

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...

A study suggests that stellar plasma may distort alien signals, complicating SETI's search for extraterrestrial life by ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. When astronomers first discovered 3I/ATLAS in July 2025, the icy ...