Going by its composition, researchers believe that the water on angrites and water on Earth came from the same source.
A fission reactor literally splits atoms to generate power and Nasa has completed initial testing in a vacuum environment.
From potentially hazardous asteroids to Saturn's moon Titan's incredible similarities to Earth – these are the best space stories of the week.
The afterglow from the massive collision has continued to brighten up since August 2017.
Current instruments designed to search for alien life tend to be relatively large, heavy and power-hungry. In addition, they can only detect indirect biological signatures.
A new study based on data from the Cassini spacecraft reveals that Titan's seas lie at an average elevation, like Earth's oceans.
Space junk is a serious enough issue for spacefaring countries to want to look for unconventional methods to clean it up.
In two weeks' time, a kilometre-wide space rock will skim past the Earth at speeds of around 67,000mph.
The star was found being "flung backwards and forwards" at several hundred thousand kilometer per hour speed, every 167 days.
The closely-packed group of galaxies is located some 9.7 billion light years away from Earth.
Gamma ray bursts are very challenging to study as they originate in far flung galaxies and last for short periods of time.
The laser beams, emitted for a few minutes, would be enough to zap the junk into smaller, less harmful pieces.
China claims that the space station will crash in a deep-sea area in the South Pacific known as the "spacecraft cemetery".
Using eight different telescopes from around the world, including one at the south pole, scientists are working on the first-ever image of a black hole.
Some extraordinary celestial moments are lined up in 2018. IBTimes UK has compiled a curated list to help you catch the best ones.