The Swift telescope is in a decaying orbit and will soon be unrecoverable if something isn't done within the next few months.
China has deployed an unidentified payload in orbit around the Earth using its secretive Shenlong space plane.
The iconic Mars spacecraft has ended its mission after more than 11 years in orbit around the Red Planet.
The remarkable and completely unexpected find has called into doubt what we know of atmospheric retention.
A space plane once hoped to be a successor to NASA's space shuttles may ultimately never make it to orbit.
The SpaceX CEO has revealed new details about his plans for the future, including building AI chips at an unprecedented scale.
Elon Musk's space firm is seeking regularity approval to develop a satellite constellation of unprecedented scale.
The first manned mission to orbit the Moon in decades is still on course to launch as early as February 6th.
A spacecraft that has been in orbit around Mars for over a decade has suddenly stopped communicating.
Situated just 18.2 light-years away, this newfound extrasolar world is in orbit around a red dwarf star.
Scientists have discovered evidence of methane gas on Makemake - a tiny world situated beyond the orbit of Pluto.
Astronomers believe that they have discovered a gas giant in orbit around the star Alpha Centauri A.
A passing star could disrupt the orbits of the planets and cause the Earth to be flung off into deep space.
The previously unseen world is believed to orbit far out at a range of 838 times Earth's distance from the Sun.
A remarkable new image snapped from orbit shows the Curiosity rover trundling across the surface of Mars.
The three satellites - known as Kosmos - have released an object in orbit and nobody is quite sure what it could be.
Scientists now believe that a small moon orbiting Uranus may be capable of harboring primitive alien life forms.
The SpaceX CEO has stated on social media that manned missions to Mars will start very soon indeed.
Reflect Orbital is developing a novel new way to generate power by reflecting sunlight onto panels when its dark.
The smallest planet in our solar system may be hiding a treasure with a value beyond imagination.