Dennis Tito is planning a private mission to Mars in 2018. Inspiration Mars Foundation aims to inspire and wants to take advantage of the way the planets line up in 2018.

Tiny computers small enough to be swallowed could monitor your internal health or release drugs and medicine inside your body.

Britain has committed £88 million ($160 million) towards the construction of the world's largest telescope.

Forget Bruce Willis detonating a nuclear bomb to deflect an Earth-bound asteroid - all you need to do to divert an oncoming space rock is give it a lick of paint.

A popular Canadian astronaut orbiting the earth 16 times a day is beaming his “Space Kitchen” cooking show back down to his fans.

A stunning new map of the surface of Mercury has revealed the planet to be a "fascinating, dynamic and complex world".

A 46-metre cosmic rock has hurtled safely past Earth this morning.

Astronomers believe they may have discovered the youngest black hole in the Milky Way galaxy.

An asteroid which is to hurtle close to the Earth tomorrow may experience a seismic jolt as it passes through our planet’s gravitational field, scientists suggest.

A 45m-wide chunk of rock is set to whistle by Earth at a distance closer to the planet than some satellites - but there's no need to prepare for the end of the world just yet.

Even though wheelchairs may fold up for easy transport in a car or plane, their wheels don't get smaller. That's where the Morph Folding Wheelchair Wheel comes in.

An ancient asteroid about half a football field in diameter will hurtle just 28,000 kilometres past Earth next week - but details are sketchy.

A solar "superstorm" could knock out Earth's communications satellites, cause dangerous power surges and disrupt crucial navigation aids, a report says.

There are only 7 northern white rhinos left in the world and 4 of them live in the Ol Pejeta Conservancy in Kenya. Protecting them and the other rhinos, elephants, leopards and other animals in the reserve is a particularly hard job for the 190 rangers.

Add two to the number of satellites orbiting Earth. The other day Japan put two cutting edge information gathering satellites into polar orbit flying from south to north.

Backpacks on mussels? Researchers at the University of Iowa attached wireless sensor packages to Mississippi river mussels that measure how open their shells are.