An asteroid the size of a 15-story building or a large airplane has been spotted, just days before it makes a close pass by ...

Take a look at 10 surprising facts that reveal the incredible nature of our cosmic neighbourhood, incorporating key elements ...

John Casani, who has died aged 92, was an American spaceflight engineer who led the teams that pioneered Nasa’s explorations ...

A controversial new study claims that a ‘hostile’ alien spacecraft could attempt to attack Earth in November. Scientists say ...

It's possible that Mars' moons were originally asteroids that were captured by the planet's gravitational pull. There's also ...

Scientists are looking to the skies today as a huge asteroid is set to skim past Earth at more than 20,000mph as NASA track its course ...

On July 1, astronomers spotted an unusual high-speed object zooming towards the sun. Dubbed 3I/ATLAS, the surprising space ...

Have you ever wondered what our solar system looked like 3.8 billion years ago? Were the planets we know today anything like ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion ...

Our sun, currently in its prime, is expected to shine for another 5 billion years. Eventually, it will transform into a red ...

In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien ...

There have been a number of strange objects that have entered our solar system over the past decade, all of which have raised ...