For the first time, NASA’s Cassini spacecraft has recorded the effect of changing seasons on Saturn’s Earth-like moon Titan.
University of Texas astronomers have discovered the most massive black hole to date.
If equipment breaks down on the moon, ordering a replacement part through the mail isn't exactly an option. But what if astronauts could simply print out what they need, using local materials?
Astronomers using ESA's Herschel space observatory have discovered enormous comet belts surrounding two nearby planetary systems known to host only Earth-to-Neptune-mass worlds.
Astronomers at the European Southern Observatory (ESO) have identified the biggest quasar outflow, a type of high energy explosion surrounding a massive black hole, to date.
Researchers at the Los Alamos National Laboratory have developed a simple, robust fission reactor prototype that could be used as a power system for space travel.
Cassini scientists have found a second 'Pac-Man' moon orbiting Saturn, this time on the moon Tethys.
As many as 80 percent of nurses and 64 percent of doctors believe there's a connection between the phases of the moon and mental health. But they're wrong, says a psychology professor.
NASA's Hubble Space Telescope has captured an image of the spiral galaxy ESO 499-G37, seen below against a backdrop of distant galaxies, scattered with nearby stars.
So-called super-Earth planets may have a magnetic shield that could protect any life present from harmful radiation, say researchers.
Unlike its bigger sister Pluto, dwarf planet Makemake doesn't have an atmosphere, new observations have revealed.
Space nuts may get an early Christmas present this year: rumors are flying that NASA is preparing to announce the discovery of organic molecules on Mars - a possible sign of life.
For the first time, ESA's Planck space telescope has detected a bridge of hot gas connecting a pair of galaxy clusters 10 million light-years apart.
A study of water from the Martian interior shows that Mars was originally formed from similar building blocks to Earth, but evolved differently later on.
Astrophysicists at the University of Toronto have discovered a new, huge exoplanet, 13 times bigger than Jupiter. It's in orbit round the massive star Kappa Andromedae, which is part of the constellation Andromeda.
Three astronauts have returned safely to Earth after 127 days in space on the International Space Station.
A recent image snapped by NASA's Hubble Space Telescope illustrates numerous luminous galaxies glowing just like fireflies on a dark night.
European Space Agency astronomers have found evidence for a dying sun-like star coming back to life - something they say may happen to our own sun in a few billion years.
NASA's Curiosity rover has been gathering a wealth of information about winds and natural radiation on Mars, spotting whirlwinds and changes in air pressure.
Not only was there once water on Mars - some of it was warm enough to support life, an analysis of meteorites shows.