NASA astronauts Robert Behnken and Douglas Hurley have safely returned home after two months in space.
A new bombshell report claims that the US government is in possession of exotic materials 'not of this Earth'.
The US Space Force is reportedly working on plans for an experimental outpost in orbit around the Earth.
A new NASA Interim Directive (NID) aims to ensure that Earth is protected from extraterrestrial contamination.
Palaeontologists have discovered the fossil remains of a 70 million-year-old carnivorous fish in Patagonia.
An orbiting spacecraft has picked up a phenomenon that, until now at least, had only been seen on Earth.
Scientists studying our planet's interior have found previously unknown structures beneath the surface.
An eagle-eyed Google Earth user has identified what appear to be several underground tunnel entrances.
The closest known extrasolar planet may also be one of the most Earth-like worlds ever discovered.
Surveyors working on a vineyard in northern Italy have discovered a remarkably well-preserved Roman mosaic.
Scientists in Australia have unearthed a gargantuan kangaroo and a giant lizard the size of a car.
A newly unearthed promotional video is thought to contain the last known footage of a live Tasmanian tiger.
Astronomers have identified a distant exoplanet with a size and orbit comparable to that of the Earth.
Palaeontologists have discovered the fossil remains of a huge raptor dating back 70 million years.
Edward Nino Hernandez of Colombia has been officially recognized as the shortest man on Earth.
Archaeologists have unearthed a mysterious 19th-Century tunnel hidden beneath a station in Denmark.
Archaeologists have unearthed the mummy of a 17th-dynasty teenager in the Egyptian city of Luxor.
One of the largest predators ever to walk the face of the Earth has turned out to be a surprisingly skilled swimmer.
Scientists have identified a region of Africa that was once dominated by a wide variety of predatory dinosaurs.
Could some reports of Scotland's most famous lake monster be the result of seismic activity ?