Astrophysicist Martin Rees takes a renewed look at the question of whether or not we live in a universe of universes.
A meteor from another solar system landed on Earth back in 2014, but obtaining more information about it has proven challenging.
Scientists had been looking for evidence of active volcanism on the surface of Venus for years.
NASA has published images of the spacesuit that astronauts will be wearing when they next set foot on the Moon.
Scientists have been left scratching their heads over images of a peculiar phenomenon on the surface of Mars.
The head of space exploration at the UK Space Agency remains adamant that we are not alone in the universe.
Two Chinese astronauts recently conducted a secretive spacewalk outside the Tiangong space station.
New research has called into question whether today's Mars rovers are capable of finding signs of long-dead microbial life.
Dark energy could be the key to understanding a cyclical universe that contracts and expands over and over again.
An upcoming space mission will be carrying some rather unusual cargo when it launches in the near future.
Black holes may be the long-sought source of the mysterious dark energy that makes up most of the universe.
A series of green laser beams descending from the sky appeared over the islands of Hawaii back on January 28th.
The world's night sky has doubled in artificial brightness over the last 10 years - but there may be a solution.
Astronomers have identified a very unusual galaxy that could help improve our understanding of dark matter.
It turns out that Saturn and the other gas giants are not the only planetary bodies in our solar system to have rings.
Jupiter's status as the planet with the most moons in our solar system has now officially been restored.
Despite a few technical hiccups, the mission succeeded in further cementing America's dominance in the space race.
The space rock passed us by at a distance of 2,200 miles - a fraction of the distance at which some satellites orbit the Earth.
This image taken by an orbiting spacecraft shows a rather familiar visage comprised of natural geological features.
The new rocket will be designed to enable manned missions to the Red Planet and could debut as soon as 2027.