A Danish physicist has concluded that the explosion of nearby supernovae has strongly influenced the development of life on Earth.
It's been known for some time that solar storms represent a danger to the health of astronauts. But what about rubber chickens?
New images from NASA's Cassini spacecraft show strange, half-mile-sized objects punching through Saturn's outermost ring and leaving glittering trails behind them.
The sun is well into a flip in polarity - with its north and south poles swapping places - but the process isn't going as expected, scientists say.
A new company is tomorrow expected to announce plans for an asteroid-mining operation.
New images snapped by NASA's Lunar Reconnaissance Orbiter (LRO) indicate the moon's crust is actually being stretched - forming minute valleys in a few small areas on the lunar surface.
A Penn State engineer believes autonomous, self-replicating exobots will ultimately be tasked with exploring the universe.
If dark matter exists, it's not hiding out in our neighbourhood, baffled scientists have revealed.
Gamma ray bursts turn out not to be the cause of the strongest cosmic rays, leaving scientists scratching their heads.
Billions of stars in our galaxy may have captured rogue planets, kicked out of the star systems in which they formed.
The best place to look for life on Mars and other planets could be the impact craters of asteroids.
NASA has confirmed an April 30 launch date for SpaceX's Dragon spaceship, the first private resupply mission to the International Space Station.
Astronomers using the Hubble Space Telescope have for the first time captured images of auroras on the giant ice planet Uranus.
NASA's Mars Program Planning Group (MPPG) is starting to research its next Mars mission and is looking for help from scientists and engineers worldwide.
Scientists believe they've found evidence for life on Mars - in data collected 36 years ago.
The European Space Agency (ESA) has lost contact with Envisat, its flagship Earth-observing satellite.
UCLA astronomers have built a new scientific instrument to study the earliest galaxies in the universe.
A ring of dust around the nearby star Fomalhaut is created by the collision of thousands of comets every day.
Astronomers believe they've solved the mystery of how dying stars disintegrate.
Space shuttle Discovery is to have one last flight - piggybacking on a NASA aircraft to its final home at the Smithsonian Museum.