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The asteroid's strange orbit may be the work of the gravity of an unknown planet.

Google Mars enables interactive virtual exploration of different regions of the Red Planet.

They are often portrayed on screen as little green men with elongated arms and legs and big eyes, but a renowned evolutionary biologist argues that extraterrestrials could be very similar to humans.

NASA has already recorded bursts of radiation from the Sun that could kill a human, but that was in 1972 and would only hit astronauts in orbit.

Chinese archaeologists have discovered the remains of "giants" who lived about 5,000 years ago and their bone structure shows they were unusually tall and strong.

Misunderstood and undervalued in his time, the scientist changed the future in a genius way.

The waters below Antarctica are amongst the most inhospitable environments on our planet, or so we thought.

The young electrical engineering student disappeared after claiming to create a time machine.