Space portals allowing travelers to navigate vast distances between the stars have long been a theme in popular science fictions stories such as Stargate.
NASA showcased its space-bound Orion capsule during a ceremony at Kennedy Space Center in Florida earlier this morning.
Relatively few galaxies are endowed with the sweeping, luminous spiral arms or brightly glowing center of our own Milky Way galaxy.
An international team of astronomers have positively identified significant changes in the atmosphere of a planet located beyond our solar system.
Our galaxy is still reverberating from a strike by a small galaxy or massive dark matter structure.
A group of ex-NASA astronauts and scientists is aiming to keep the world safe by launching the first privately-funded deep space mission and scanning the solar system for dangerous asteroids.
NASA's Cassini spacecraft has come up with strng evidence that Saturn's moon Titan is hiding a layer of liquid water under its ice shell.
Astronomers have used a new technique to study the atmosphere of a 'hot Jupiter' exoplanet.
As every UFO fanatic knows, the Earth received a short message from outer space back in 1977 - and now you've got a chance to reply.
Scientists have spotted a glowing arc in space, signposting a massive cluster of galaxies that they were surprised to discover exists.
European Space Agency (ESA) astronaut André Kuipers is running experiments on the International Space Station (ISS) to help scientists improve their understanding of conditions deep inside the Earth.
Scientists believe they've discovered the origins of Saturn's turbulent jet streams, which whip across the planet east and west.
Parts of Mars appear to have been modified by liquid water comparatively recently, indicating that there may have been favorable conditions for life.
An experiment carried out on the Internatonal Space Station has shown that lichen can survive in outer space - lending support to the 'panspermia' theory that life arrived here from elsewhere.
Charles Messier, the famous 18th century French astronomer, may have cataloged over 100 galaxies and clusters, even though he was primarily interested in comets.
Launched by NASA in 1977, the Voyager 1 spacecraft has been operating for 34 years, 9 months and 17 days.
Asteroid 2012 LZ1 - discovered on June 12 - was recently classified as potentially hazardous by the Minor Planet Center because its preliminary orbit brings it close to Earth (within 20 lunar distances).
There's vastly more water in Mars's mantle than previously thought - as much as on Earth, in fact - dramatically raising the chances that the planet might once have sustained life.
Astronomers have discovered two neighboring planets - one a bigger version of Earth - orbiting closer to each other than any planets discovered before.
Almost a quarter of a crater near the moon's south pole is covered with ice, scientists using NASA's Lunar Reconnaissance Orbiter (LRO) spacecraft have found.