Former Minuteman commander Robert Salas maintains that he reported the incident to the UFO task force last year.
The space probe, which landed in the Elysium Planitia region of Mars in 2018, is now in its final months.
An innocuous snap of a delivery robot wandering through some woodland has been gaining a lot of attention on Twitter.
Businessman Russ Kellett maintains that he has had close encounters with alien visitors since he was 16.
These giant 'scratches' on the surface of the Red Planet were captured on camera by ESA's Mars Express orbiter.
The sinkholes in China's Hubei province are so large that it's possible to find whole ecosystems inside them.
Two researchers have come up with a possible answer as to why we have yet to encounter intelligent aliens.
NASA's Curiosity rover has captured a photograph of what appears to be a doorway carved into the rock.
The hearing - which will focus on the potential security risks - will reportedly feature the testimony of two Pentagon officials.
The automotive giant is working on developing a car capable of transitioning to a four-legged walking machine.
A treasure hunter is suing the late Forrest Fenn's estate claiming that the treasure had been repeatedly moved.
Nestled deep in the woods of Jackson County, Oregon, there can be found a trap which was built to capture a live Bigfoot.
According to a new study, it may be quite a long time before we're likely to hear from ET.
A theoretical new type of telescope could make it possible to obtain close-up views of extrasolar worlds.
A couple who had been visiting Loch Ness recently managed to record something unexplained moving in the water.
With its four venom-laced fangs made of copper, this is one sea creature you definitely don't want to mess with.
The creature, which was spotted at a horse farm in Manitoba, prompted an armed response from the locals.
Astronomers are gearing up to announce something new about our galaxy and it has the potential to be pretty significant.
NASA's plucky helicopter has captured close-up images of the wreckage from Perseverance's arrival on Mars.
The former MoD UFO investigator has suggested that alien monitoring devices could be disguised as common animals.