Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist.

On 4 October 1957 the USSR launched Sputnik - the first man-made object in space. As the Sputnik satellite orbited the Earth it sent back a radio signal that was picked up around the world.

The water that makes up the oceans acted as a key ingredient for the development of life on Earth. However, scientists still ...

Almost no one ever writes about the Parker Solar Probe anymore.