Former government employees and contractors had previously felt unable to disclose details of UAP encounters.
The asteroid Apophis - which is considered to be potentially dangerous - will make its closest approach before the decade is out.
Just as disclosure seems to be gaining traction, the Pentagon is looking into a new way of concealing files from the public.
Drone warfare has proven to be at the heart of the modern battlefield, but what if it were possible to build a drone that cannot be seen?
Astronomers have identified a nearby rocky extrasolar planet that has an atmosphere and lies within its star's habitable zone.
The groundbreaking sale saw the fossil remains of the tyrant lizard - named 'Gus' - change hands for millions of dollars.
It will soon be possible to create day from night using a satellite in orbit - but not everyone is enthusiastic about the idea.
Yet another selection of UFO-related material has made its way onto the Department of War's website.
Nuclear weapons are banned in space, but it may be very difficult to actually determine if any are up there or not.
A 'super Earth' extrasolar planet is now thought to be a potentially habitable world able to support extraterrestrial life.
A former contractor who worked on NASA photographs had claimed that UFOs were airbrushed from the images before release.
A new study has revealed the surprising level of processing our brain can still achieve even when we are fast asleep.
The topic of UFOs seems to have become increasingly mainstream in recent years and shows no sign of slowing down.
Authorities attended the scene after a weird red substance was spotted leaking from a large semi-truck.
The Swift telescope is in a decaying orbit and will soon be unrecoverable if something isn't done within the next few months.
China has deployed an unidentified payload in orbit around the Earth using its secretive Shenlong space plane.
The two outer planets in our solar system remain the least understood owing to their distance and the lack of exploratory missions.
An analysis of fossil skeletons found at the Rising Star cave in South Africa has revealed something very unexpected.
NASA's Perseverance rover has identified some of the most tantalizing clues to date of life in the Red Planet's distant past.
The people who live in a remote part of the Andes seem to have the unique ability to safely drink water that would kill anyone else.