China's answer to the X-37B is doing something in Earth's orbit and nobody is quite sure what that might be.
A mysterious statue of an alien-like figure found by workers in Mexico has been analyzed by experts.
Prominent Slovakian politician Lukas Machala is reportedly no stranger to conspiracy theories.
The remarkable spectacle, known as the CG 4 cometary globule, is situated 1,300 light years from Earth.
The bonkers plan looked at ways to stop the Earth's rotation so that Soviet nuclear missiles would miss their targets.
Major change is afoot regarding NASA's plans to return samples of Martian soil and rock to the Earth.
It would have been one of the most revolutionary and ambitious constructions on Earth... so where is it ?
When it was first discovered 20 years ago, it was thought that Apophis had a relatively high chance of colliding with us.
Scientists have started analyzing the material samples returned to Earth by the OSIRIS-REx asteroid mission.
Scientists have found a way to reliably tell the difference between a natural earthquake and an underground nuclear explosion.
Astronomers have identified a potentially habitable extrasolar planet situated around 137 light-years away.
Assistant Professor Peter Crockford takes a look at how much life has inhabited this planet since the first cell appeared.
Known as Gigantopithecus blacki, this enormous primate was the largest of its kind ever to walk the Earth.
Over 500 million years ago, these huge predatory worms prowled the Cambrian seas.
Scientists have developed a new modeling tool to help simulate the effects of a nuclear device on a large asteroid.
Archaeologists have unearthed the remains of an ancient fortress built by hunter-gatherers in Siberia's Lower Ob' region.
Millions of years ago, the Earth was home to some truly titanic insects including one particularly enormous millipede.
The particle is over one million times more energetic than anything generated by the Large Hadron Collider.
This enigmatic archaeological site in Indonesia has the potential to be the oldest monolithic structure on Earth.
The findings could not only solve the mystery of the Moon's formation, but also the mystery of two large subsurface 'blobs'.