Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Astronomers are investigating a little-known and largely unseen group of asteroids that quietly orbit the sun alongside Venus — and there may be many more of them than we thought. "It's like ...

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

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

Objects from space are crashing into Earth’s atmosphere all the time. They just don’t always happen with the perfect timing of the June 26 meteor that blasted across the Atlanta area during the middle ...

It's possible that Mars' moons were originally asteroids that were captured by the planet's gravitational pull. There's also a theory that the two moons were created after a large object collided with ...

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

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

Space weather expert developing satellite constellation to predict and protect against dangerous space weather events.

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

For the first time, astronomers have successfully observed the earliest stages of planet formation around a star outside our ...