Given its extreme distance from the Sun and slow orbital speed, a year on Neptune last as long as 164.5 years here on Earth.

Everyone always wants to know if I believe in aliens. They really want to know if I believe in UFOs, which I don't. But do I believe there are no aliens in the whole Universe?

KENNEDY SPACE CENTER, FL - The 'SS John Glenn' cargo freighter stands proudly poised for launch at pad 41 from the Florida Space Coast on Tuesday April 18, loaded with a stash of nearly 4 tons of science investigations and essential supplies atop a United Launch Alliance Atlas V rocket destined for the multinational crew aboard the International Space Station (ISS).

Given its considerable distance from the Sun, Saturn takes about 29.5 Earth years to complete a single orbit around the Sun.

According to a new study by researchers from Brazil, objects accelerating through space could be subject to increased radiation exposure.

Beneath the Atlantic Ocean is the Mid-Atlantic Ridge, an geological feature that runs north-south and measures some 16,000 km (10,000 mi) in length.

Uranus was discovered by British astronomer Sir William Herschel on March 13th, 1781, though it had been observed several times before this

KENNEDY SPACE CENTER, FL - Imagine watching a real rocket launch in a 360 degree live video broadcast. Well NASA is about to make it happen for the first time and in a big way on a significant mission.

A new study produced by the ARES division provides an explanation for how the Moon was able to generate its own magnetic field.

New night-time images of Earth are more than just eye-candy. They can be a vital tool for scientists and governments.

Thanks to an international effort and multiple radio telescopes, astronomers have visualized an event horizon for the first time.

Astronomers at the University of Waterloo have given us the first image of a dark matter filament bridge between two galaxies.

Discovery of hydrogen at Enceladus raises hopes that life may exist in the icy moon's oceans.

It's a shooting gallery out there. The spattered face of Earth's Moon and large impact sites such as Meteor Crater outside of Flagstaff Arizona remind us that we still inhabit a dangerous neighborhood. But despite the inevitable cries for the "End of the World of the Week," humanity can breathe a collective sigh of relief next Wednesday on April 19th, when asteroid 2014 JO25 passes safely by the Earth.

As it makes its way towards its next destination in the Kuiper Belt, the New Horizons probe has been given a new task - measuring the Cosmic Optical Background.

Comings and goings continue apace on the International Space Station! After living and working fruitfully for six months in space aboard the ISS, an international trio of astronauts and cosmonauts including NASA's Shane Kimbrough departed the orbiting lab complex aboard their Soyuz capsule and plummeted back safely through the Earth's atmosphere to a soft touchdown in Kazahkstan on Monday- as NASA meanwhile targets liftoff of the next US resupply ship a week from today.

In its latest flyby of Jupiter (Perijove 5), the Juno probe managed to capture photographs of two colliding atmospheric conditions.