As if space junk wasn't already enough of a problem, a war in space could litter the planet's orbit with tons of debris.
China's Tiangong-2 space station recently spent ten days 95km closer to the Earth than its usual orbit.
Scientists have come up with an alternative explanation for the peculiar orbits of some distant objects.
NASA is launching a spacecraft to study the heliosphere - a bubble which extends far beyond the orbit of Pluto.
The launch of two new satellites in to orbit will enable scientists to study the evolution of our planet's climate.
An asteroid believed to be from another solar system has been found orbiting the Sun in the wrong direction.
A small solar system object with a strange orbit has hinted at the presence of a large, unknown world.
The new 'Block 5' Falcon 9 was used to successfully place a Bangladeshi satellite in to orbit yesterday.
For the first time ever, scientists have detected helium in the atmosphere of a planet in orbit around a distant star.
ESA's Trace Gas Orbiter has started its mission to seek out traces of biologically-produced methane on Mars.
NASA has revealed that its ambitious Lunar Orbital Platform-Gateway will launch as early as 2022.
The European Space Agency's Trace Gas Orbiter will be starting its mission within the next two weeks.
Space tourism startup Orion Span is offering guests the opportunity to spend 12 days orbiting the planet.
Airbus has been developing a new type of harpoon in an effort to reduce the build-up of space junk in orbit.
Astronomers worldwide have criticized the decision to launch a large reflective disco ball in to orbit.
Code-named Zuma, the secretive satellite was launched in to orbit aboard a Falcon 9 rocket on Sunday night.
The planet, which is much too big for its star, defies our current understanding of planetary formation.
Scientists have developed a computer simulation that defines the exact orbit and behavior of Planet Nine.
NASA's Mars Reconnaissance Orbiter has identified the site of an ancient lake on the Red Planet's surface.
The launch of the giant orbital telescope has been pushed back from October 2018 to Spring 2019.