Voyager 1, Earth’s farthest spacecraft, has been on an extraordinary journey for over 45 years, exploring uncharted ...

When Voyager 1 and 2 crossed the boundary of the heliosphere, many believed they would drift silently into a cold, empty ,voidinterstellar space. It was expected to be a lifeless region, too sparse ...

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

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

Before it met the 30,000-50,000 kelvin wall at the edge of our Solar System, Voyager 1 took its final images.

Scientists have found that Uranus is emitting its own internal heat — even more than it receives from sunlight — and this ...

NASA's Voyager 1 & 2 Were Not The First Missions To Reach The Outer Solar System They were also not the first missions to carry a message intended for extraterrestrial beings should they reach ...

Voyager 1 was launched in 1977, and after 49 years of travelling, it will reach a milestone in space that was once thought ...

There's a broad consensus in the scientific community that a follow-up mission to Pluto should be an orbiter, and not a ...

Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

Before defining what a light-year is, we should define what a light-year is not: It is not a measure of time, but rather a ...

Solar system coverage from Scientific American, featuring news and articles about advances in the field.