NASA addresses the release of UFO files and discusses the ongoing search for life on Mars. What are they hiding?

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

NASA administrator Jared Isaacman says declassified UAP files show real unexplained phenomena but no alien bodies or crashed ships have been found.

The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and ...

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

The Pentagon on Friday released a new group of documents and videos related to UFOs, or UAPs, with 72 more documents, images and recordings.

The Pentagon has started releasing files related to unidentified anomalous phenomena (UAP), also called UFOs. Here are the images released so far ...

Dozens of photos were included as part of the release, such as photos shared by the FBI, Department of Defense, and NASA.

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated ...

In 1877, an Italian astronomer mapped faint lines on Mars and called them canali, meaning channels or grooves. But the word ...