Intergalactic gas clouds are slightly hotter than they should be, new research claims, and theoretical particles called 'dark photons' could explain it.

Asteroid 2023 BU will be closest to Earth on Thursday (Jan. 26) at 7:27 p.m. EST (2127 GMT).

A mouse study hints at why chronic pain and poor sleep are linked.

Elephants are known for their extraordinary memories, but is it true that they never forget?

Deserts are full of oddball animals. Here are 15 of the strangest.

Fish and chip shops across Australia are using threatened shark meat in their food.

In regressive evolution, organisms lose complex features and can appear to evolve "in reverse." But evolution doesn't retrace its steps, experts said.

It's easy to fold a piece of paper in half once, twice or even three or four times. But what's the highest number of times one piece of paper can be folded in half?

Once a person is dead, their body usually starts to decay immediately, although a good embalming job can delay decay.

Love stimulates the release of hormones such as oxytocin in certain brain regions.

Is the simplest explanation always the best one, as Occam's razor states?