Medieval suits of armour were so exhausting to wear that they could have affected the outcomes of famous battles, a study suggests.

Mothers in urban fox populations decide which cubs stay and which ones must leave the group and find a new territory, a study finds.

Experiments show rock-paper-scissors players mimic each other's actions, demonstrating that such mimicry is an unconscious, strategic tactic.

A rare bog sun-jumper spider - with flourescent green legs - is identified by experts at a nature reserve near Stirling.

The world's most powerful "split magnet" - a magnet made in two halves with holes to observe the experiments at its core - has been built in the US.

BBC science coverage is "high quality" but the corporation must make a distinction "between well-established fact and opinion", a review finds.

Astronomers using the Hubble Space Telescope identify a fourth moon around the dwarf planet Pluto.

Nepal orders a new survey of Mount Everest to end "confusion" over the exact height of the world's tallest mountain, the government says.