We don't know if the universe is round or flat.
Our ancient ancestors, may have been (or still are) under surveillance by an alien civilization that uses space rocks to keep tabs on Earth.
A rock once believed to be the fourth-largest asteroid in our solar system may actually be a dwarf planet.
The respected scientist believes that he found proof of life on Mars in 1976, but NASA is unwilling to acknowledge it.
Scientists don’t know the origins of the explosion but say it was so big it must've been caused by nuclear activity.
It makes you wonder about the limits of science and what will be possible in the coming decades and centuries.
Authorities have already ruled out the possibility that the strange fires were started by a meteorite. So what was it?
Scientists say the light curvature of these gamma ray bursts express a bizarre characteristic known as time-reversibility.