A group of researchers has poured scorn on the idea that a comet wiped out the North American Clovis people 13,000 years ago.
Two mathematicians have, rather bravely, proposed a unified theory of dark matter and dark energy that alters Einstein's equations describing the fundamentals of gravity.
The theory of dark matter has taken another knock, with the discovery of a vast structure of satellite galaxies and clusters of stars surrounding our galaxy, stretching out across a million light years.
If dark matter exists, it's not hiding out in our neighbourhood, baffled scientists have revealed.
An international materials technology conference in San Diego has been given a new explanation for the explosions heard within the Twin Towers just before their collapse.