An amateur astronomer has discovered what is believed to be a comet that has come from a distant solar system.
Water vapor has been identified on what is being hailed as the most habitable exoplanet found to date.
NASA's Mars Reconnaissance Orbiter has photographed a massive ice avalanche on the surface of Mars.
Scientists have discovered an exotic alien mineral that does not occur naturally anywhere on Earth.
Elon Musk has hinted that SpaceX's next-generation interplanetary spacecraft could be absolutely huge.
Scientists operating China's Yutu-2 lunar rover have discovered a strange 'shiny gel' inside an impact crater.
Astrophysicists have published a set of instructions explaining how to make a do-it-yourself wormhole.
The US military's secretive pint-sized spacecraft has now spent a whopping 717 days up in space non-stop.
The case is believed to be the first time that someone has been accused of committing a crime aboard the ISS.
The humanoid contraption was the only passenger aboard a Soyuz capsule that launched on Wednesday.
An ambitious endeavour to unlock the mysteries of Jupiter's moon Europa is finally moving ahead.
The first and only sports car to have ever been launched into space has now traveled 763 million miles.
The SpaceX CEO has long held the belief that nuking the Red Planet could make it more habitable for humans.
Physicists now believe that a large planetary embryo collided with the gas giant in the distant past.
Astrophysicists have discovered a way to detect the surviving cores of planets orbiting white dwarf stars.
Known as the 'Methuselah star' due to its extreme age, this nearby stellar body may predate the Big Bang.
Thousands of the Earth's most indestructible creatures may have been deposited on the lunar surface.
Elon Musk's private space firm has been developing a spacecraft capable of landing humans on other worlds.
Astronomers have announced the discovery of a large, potentially habitable world in a nearby solar system.
The experimental project could one day make it possible for solar sails to propel spacecraft to other worlds.