4
76-year-old billionaire Tim Boyle has challenged flat Earthers to take a photo of the void at the edge of the world.
16
The survey focused primarily on whether or not people believed that aliens had visited the Earth.
235
As the interstellar visitor gets closer to the Earth, observations of its progress have revealed some head-scratching anomalies.
8
Situated just 18.2 light-years away, this newfound extrasolar world is in orbit around a red dwarf star.
8
We've known for a long time that the Earth won't remain habitable forever, but how long does it really have?
5
A space rock that nobody had noticed until after it had passed us by proved quite a surprise last week.
6
The mysterious material, which is strewn across southern Australia, is found nowhere else on Earth.
11
An asteroid that once posed a risk to the Earth may now be headed straight for the Moon instead.
25
What if life didn't simply arise on Earth spontaneously but was instead put here by an advanced alien race ?
41
An obscure piece of Mormon folklore tells the story of how Cain was cursed to wander the Earth for his sins.
11
Eagle-eyed Google Earth sleuths have discovered a strange disc-like object on the Antarctic ice.
5
Archaeologists have discovered the remains of an ancient blade factory around 40 miles south of Tel Aviv.
60
Politicians and scientists alike have been debating the claim that there are four types of aliens visiting Earth.
6
Lovell was best known for leading the ill-fated Apollo 13 mission which, against all odds, made it back to Earth.
10
Researchers have sonified the sounds of the Earth's magnetic field reversing 780,000 years ago.
2
Dams constructed around the world over the last two centuries have had an impact on the planet's poles.
3
Scientists have unexpectedly discovered mysterious rhythmic surges beneath the ground.
7
A passing star could disrupt the orbits of the planets and cause the Earth to be flung off into deep space.
2
The previously unseen world is believed to orbit far out at a range of 838 times Earth's distance from the Sun.
10
The unknown strain of bacteria, which exists nowhere on Earth, was found aboard China's Tiangong space station.